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Tarantulas in Captivity – An Overview of Popular Species, Part I

[…]as food (dead mice are accepted). They fare well on roaches, earthworms, crickets and wild-caught insects such as grasshoppers and katydids. Mexican Red Knee Tarantula, Brachypelma smithi Quite different from the goliath in color, temperament and captive needs, the red knee is responsible for the advent of tarantula keeping in […]
Read more » Tarantulas in Captivity – An Overview of Popular Species, Part I

The Common Snapping Turtle, Chelydra serpentina – Care in Captivity (with notes on the Alligator Snapping Turtle, Macroclemmys temmincki) Part 2

[…]foods. The balance of the diet should be as varied as possible – earthworms, crickets and other insects, crayfish, shrimp, freeze dried prawn, pink mice, waxworms, mealworms, etc. Snappers will also eagerly accept most frozen foods marketed for tropical fish and catfish and cichlid pellets , but such should be […]
Read more » The Common Snapping Turtle, Chelydra serpentina – Care in Captivity (with notes on the Alligator Snapping Turtle, Macroclemmys temmincki) Part 2

Bearded Dragon or Leopard Gecko? Comparing the Ownership Costs

[…]Dragon (adult): 36-48 insects per week Leopard Gecko (adult):  15-25 insects per week and 3 bowls salad per week   Please note that these figures are meant to provide a general idea of expected food intake.  The actual amount of food your lizard will consume is influenced by temperature, the […]
Read more » Bearded Dragon or Leopard Gecko? Comparing the Ownership Costs

Spring Field Trips: Amphibians, Reptiles, Invertebrates, Birds

[…]vernal pond. Our net failed to find any water scorpions, diving beetles or other common aquatic insects, but many over-winter as eggs, and so are difficult to locate prior to maturity.   Happily, the red-winged blackbirds were out in force, and calling all day. I’ve observed these early harbingers of […]
Read more » Spring Field Trips: Amphibians, Reptiles, Invertebrates, Birds

Thoughts on Keeping the Giant Bent-Toed Gecko and Related Species – Part 2

[…]most geckos to feed; many also respond with enthusiasm to moths, beetles and other wild caught insects. Please see my article on Raising Orange-Spotted Roaches  for more information. I believe it to be very important to offer a variety of invertebrates to bent-toed geckos. If at all possible, try to […]
Read more » Thoughts on Keeping the Giant Bent-Toed Gecko and Related Species – Part 2

Frog Leg Trade Kills Billions of Frogs Annually and Threatens Species’ Survival

[…]study showed that an American Toad (a smaller animal than those in the trade) may eat over 20,000 insects in a single summer…how many would billions of much larger frogs consume?!  In fact, when the trade decimated frog populations inSouth Asia, pesticide use immediately soared.  After the main trade species […]
Read more » Frog Leg Trade Kills Billions of Frogs Annually and Threatens Species’ Survival

The Orange Spotted Roach: an Interesting Pet and Valuable Food for Reptiles, Amphibians, Invertebrates, Birds and Fishes – Part 2

[…]roaches will provide you with many surprises.  We still have a great deal to learn about these insects…observant keepers stand a good chance of learning something new. Water I use R-Zilla Cricket Calcium Drink Supplement as the sole water source for all roach species.  This and similar gel-based products eliminates […]
Read more » The Orange Spotted Roach: an Interesting Pet and Valuable Food for Reptiles, Amphibians, Invertebrates, Birds and Fishes – Part 2

My Bearded Dragon is Not Eating: What to Do

[…]the articles linked below to read more about adding silkworms, house flies, sow bugs, wild-caught insects and other important foods to your pet’s diet. Studies have shown that some lizards will alter their diet in accordance with changing nutritional needs…your pet’s poor appetite may indicate that more variety is needed. […]

The Natural History and Captive Care of the Frilled Dragon or Frillneck Lizard, Chlamydosaurus kingii – Part II, Frilled Dragons as Pets

[…]indeed, they get along perfectly well without them in captivity. Please try to provide wild-caught insects whenever possible.  Mine especially favor grasshoppers, katydids, large moths and cicadas.  Avoid fireflies, brightly colored insects (due to possible toxicity) and bees, wasps and spiders.  Zoo-Med’s Bug Napper is an excellent insect trap, and […]
Read more » The Natural History and Captive Care of the Frilled Dragon or Frillneck Lizard, Chlamydosaurus kingii – Part II, Frilled Dragons as Pets

Tortoise Diets: Mediterranean Species and Russian (Horsfield’s) Tortoises

Hello, Frank Indiviglio here. Judging from recent questions posted on this blog, there is a great deal of conflicting information available as regards the feeding of tortoise. The Greek or spur-thighed (Testudo graeca), marginated (T. marginata) and Hermann’s (T. hermanni) tortoises, collectively referred to as Mediterranean tortoises, and the popular […]
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Medications Based on the Immune System of the Mealworm or Darkling Beetle (Tenebrio molitor) may someday prevent the Emergence of Drug Resistant Microbes – Research Update

[…]human health concern, especially as regards hospital-based micro-organisms.   It seems that insects are particularly effective at preventing the development of hard-to-kill microbes, and that most of the credit for this is due a unique group of chemicals known as antimicrobial peptides.  It is hoped that human medications modeled after […]
Read more » Medications Based on the Immune System of the Mealworm or Darkling Beetle (Tenebrio molitor) may someday prevent the Emergence of Drug Resistant Microbes – Research Update

Houseflies and Maggots as Food for Reptiles, Amphibians and Invertebrates

[…]pollinators, and their larvae attack crop pests. North America’s 1,000+ Robber Flies prey upon insects, including injurious flies.  Even Blowflies have their good points… their larvae eat the maggots of disease-bearing species and play a vital role in decomposition. Flies feature importantly in Forensic Entomology.  By studying the types of […]
Read more » Houseflies and Maggots as Food for Reptiles, Amphibians and Invertebrates

Giant Centipedes – My Experiences with Centipede Bites and Behavior

[…]in NYC’s Central Park. Diet Centipedes are formidable predators that consume a wide variety of insects and other invertebrates.  The Amazonian Giant Centipede, the world’s largest (females may exceed 12 inches in length), and similarly-sized species also take bats, tarantulas, rodents, frogs, lizards, and small birds.  Extinct forms topped 3 […]
Read more » Giant Centipedes – My Experiences with Centipede Bites and Behavior

Research Update: Gray Treefrog (Hyla versicolor) Calls are Influenced by Social Factors, Concave-Eared Torrent Frogs (Odorrana tormota) Call in the Ultrasonic Range

[…]in the lower sound ranges (which are used by most frogs). Until now, only bats, whales and certain insects were thought to utilize ultrasonic calls. Unusual Ears And why the recessed eardrums? As stated in an article published in the May, 2008 issue of “Nature”, the torrent frogs eardrums are […]
Read more » Research Update: Gray Treefrog (Hyla versicolor) Calls are Influenced by Social Factors, Concave-Eared Torrent Frogs (Odorrana tormota) Call in the Ultrasonic Range

Feeding African Clawed Frogs – the Two Best Diets

[…]ideal, although newly-molted (white) grubs and pupae are fine.  You can also offer wild-caught insects – please see the article below for more info. Feeding live food in a large, well-planted tank is a great way to observe your frogs’ natural hunting abilities.  The Clawed Frogs that I kept in […]
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Scorpions in Captivity – An Overview of Popular Species – Part 1

[…]where 60+ species may be found. Diet All are predacious, with most consuming soft-bodied insects but some specializing in land snails, sowbugs and other scorpions.  Larger species may take frogs, lizards, shrews and other sizable animals on occasion. Reproduction All scorpions thus far studied give birth to live young, and […]
Read more » Scorpions in Captivity – An Overview of Popular Species – Part 1

Japan’s Earthquake and Tsunami – Zoo and Aquarium Concerns

[…]are favored over hippos, lions and elephants. Japanese hobbyists’ and entomologists’ work with insects and other invertebrates is nothing short of unbelievable – I was floored by the Tama Zoo’s giant insect house and its huge walk-through “aviary” for insects. Japan’s aquariums are among the worlds finest, and thrilled me […]
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Live Food Care – Reptile, Amphibian, Tarantula and Scorpion Diets

[…]spiderlings and other tiny pets. Springtails (Collembolla sp.) Springtails are minute, primitive insects that can be collected from beneath leaf litter or purchased.  They feed upon decaying vegetables and fish flakes, and breed readily. Wild-Caught Invertebrates Wild-caught invertebrates can impart important variety to captive diets.  Learn to identify stinging and […]
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American Museum of Natural History: A Visit to the Live Spider Exhibit

[…]that they prey upon small rodents, snakes, frogs, lizards and other vertebrates in addition to insects. Certainly, those under my care startled me with their voracious appetites.   Ornamental Tarantulas: Beautifully-colored but rather aggressive – and very fast moving, I can assure you! – these SE Asian spiders are highly […]
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Care of the World’s Most Colorful Mantella: A Zookeeper’s Thoughts

[…]below) Flour beetle larvae Ants: experimenting required, as some species are rejected Aphids: tiny insects that colonize plant stems. Field Plankton: insects gathered by sweeping through tall grass with a net (also great fun for kids and adults alike, please see photo!)   Baron’s Painted Mantellas have large appetites and […]
Read more » Care of the World’s Most Colorful Mantella: A Zookeeper’s Thoughts

Bearded Dragon Care and History in Captivity

[…]well and uses rocks and stumps as basking sites and as platforms from which to launch attacks on insects moving about below. Diurnal, it basks at temperatures of 125 F for short periods and shelters in self-dug burrows during extremely hot or cold weather. To read the rest of this […]

The Orange Spotted Roach: an Interesting Pet and Valuable Food for Reptiles, Amphibians, Invertebrates, Birds and Fishes – Part 1

[…]starts out as pet food but winds up as a pet. It’s small wonder, as these attractive insects are very interesting in their own right, and most agreeable to exhibiting their natural behaviors to the patient observer. Coming into Their Own Roaches are finally getting the attention they deserve from […]
Read more » The Orange Spotted Roach: an Interesting Pet and Valuable Food for Reptiles, Amphibians, Invertebrates, Birds and Fishes – Part 1

Slider and other Semi-Aquatic Turtle Diets – Vegetables and Greens – Part 2

In Part I of this article, we discussed the role played by plants in the diets of popular North American “basking” turtles such as Red-Eared and Yellow-Bellied Sliders, Map, Red-Bellied and Chicken Turtles, and Cooters. Useful Plants and Vegetables As your turtles grow out of the hatchling stage, I suggest […]
Read more » Slider and other Semi-Aquatic Turtle Diets – Vegetables and Greens – Part 2

Providing A Balanced Diet To Reptile and Amphibian Pets

[…]how much of its vitamin/mineral supplement coating will be passed along to your pet. Whether food insects will live or die within the terrarium, and how to keep track of the food intake of secretive or nocturnal pets will also affect the manner in which you must present the food. […]
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Spiny-Tailed Agamids – the Fascinating Lizards of the Genus Uromastyx -Part 2

[…]thrive if their unique dietary needs are not met.  A diet that is too rich (i.e. high in fruit or insects) may kill them as quickly as will one lacking essential nutrients.  Many species relish such seemingly unappetizing foods as dry split peas, millet, canary seed and other grains. Hailing […]
Read more » Spiny-Tailed Agamids – the Fascinating Lizards of the Genus Uromastyx -Part 2

My Animal Collection: How a Herpetologist Keeps American Toads, Bufo (Anaxyrus) americanus and Related Species, Part I

[…]and other amphibians fare poorly in stagnant air) yet are small enough to prevent small feeder insects from escaping.  This set-up is dismantled and cleaned weekly – the terrarium’s light weight simplifies this chore. Substrate The substrate pictured in the photo is R-Zilla Compressed Frog Moss.  American toads prefer a […]
Read more » My Animal Collection: How a Herpetologist Keeps American Toads, Bufo (Anaxyrus) americanus and Related Species, Part I

New Dinosaur Resembled a Horned Lizard – On an Immense Scale

[…]of North America for millions of years.  The enforced isolation gave rise to innumerable bizarre insects, fishes, amphibians, dinosaurs and other creatures, many of which, it appears, have yet to be discovered. Two New Triceratops Relatives The strangest Laramidia resident to come to light so far is the recently described […]
Read more » New Dinosaur Resembled a Horned Lizard – On an Immense Scale

Tarantulas in Captivity, Part II

[…]moisture levels. Ravenous predators (feed them crickets, roaches, waxworms, moths and other insects) and quick to “take offense”, these beauties live up to the “tiger” portion of their name quite well!   Haitian Brown Tarantula, Phormictopus cancerides This species was formerly imported in large numbers, and was relatively inexpensive for […]

Product Review: Gel-Based Water Sources for House Crickets (Acheta domestica)

[…]to rapidly decimate cricket colonies.  Misting the colony, a useful technique as regard many insects, is worse, and again will result in heavy losses. The advent of gel-based cricket water substitutes is one of the most important recent innovations in food animal maintenance.  These products save time and money by […]
Read more » Product Review: Gel-Based Water Sources for House Crickets (Acheta domestica)

Hunting the Huntsman – Keeping the Giant Crab, or Huntsman Spider – Part 1

[…]Hidden within the produce crates were the creatures I sought – tree frogs, spiders, lizards, insects and such (I once narrowly missed a Mouse Opossum).  All large spiders were called “Banana Spiders”…one, the Giant Crab or Huntsman Spider (Heteropoda venatoria), appeared on occasion but was always too fast for me.  […]
Read more » Hunting the Huntsman – Keeping the Giant Crab, or Huntsman Spider – Part 1

Malayan and Kuhl’s Flying Geckos – Breeding and Care

[…]and will not fare well on crickets alone.  Housefly cultures, silkworms, roaches, moths and other insects are essential to their well-being.  The comments in this article on Red-Eyed Treefrog Diets are largely applicable; please write in if you have any questions on this critical aspect of husbandry. Breeding Mature males […]
Read more » Malayan and Kuhl’s Flying Geckos – Breeding and Care

Slider and other Semi-Aquatic Turtle Diets – Vegetables and Greens – Part 1

[…]are specialized predators of crayfishes, clams and snails, while the much smaller males take insects, carrion and plants. Captive Diets Many commercial Aquatic Turtle Diets provide excellent nutrition and can serve as a dietary mainstay, and there is some evidence that diet of Reptomin and Freeze Dried Krill meets all […]
Read more » Slider and other Semi-Aquatic Turtle Diets – Vegetables and Greens – Part 1

Notes from the Field – An Aggressive Black Tegu Tupinambis teguixin (merianae)

[…]across – other lizards, snakes, turtle and bird eggs, small mammals, fish, frogs, crabs, large insects and carrion – and were major predators in this flooded grassland habitat.  I managed to catch a few young tegus, but old, battle-scarred individuals were impossible to approach, fleeing with amazing speed at the […]
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How To Breed Green Anoles and Raise the Youngsters

[…]as the breeding season arrives.  Please see these articles for further information on collecting insects. Incubating the Eggs Eggs may be incubated in vermiculite or moist sphagnum moss.  I prefer to use a vermiculite and water in a 1:1 ratio by weight (please see this article for details on setting […]
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How Reptiles, Amphibians and Spiders “Celebrate” Valentine’s Day

[…]male spiders usually offered worthless husks, while well-fed males presented entire insects. Follow-up lab studies revealed that females accepted both intact and empty gifts (it takes time for them to unwrap the insects and discover the con-artists!), but were more likely to mate with heavier, well-fed males, regardless of the […]
Read more » How Reptiles, Amphibians and Spiders “Celebrate” Valentine’s Day

Phorid or Scuttle Flies – A Common Pest in Herp and Invertebrate Collections – Part 1

[…]cousins, however, Phorid Flies and their larvae (or maggots) are scavengers, feeding upon dead insects, feces, eggs and necrotic flesh associated with wounds. Potential Problems While Phorid Flies have not been known to injure healthy herps or invertebrates, in addition to being a plain nuisance they can colonize wounds, where […]
Read more » Phorid or Scuttle Flies – A Common Pest in Herp and Invertebrate Collections – Part 1

Mantella Care – Keeping Madagascar Poison Frogs in the Terrarium

[…]available commercially. Ants: experimenting required, as some species are rejected. Aphids: tiny insects that colonize plant stems. “Field Plankton”: insects gathered by sweeping through tall grass with a net. Mantellas have large appetites and should be fed every day or two.  One Brown Mantella was observed to eat 53 ants […]
Read more » Mantella Care – Keeping Madagascar Poison Frogs in the Terrarium

The Keeled Box Turtle – a Hardy Species in Need of Captive Breeding – Part 2

[…]in the wild, but, judging from observations of captive animals, they likely consume carrion, insects, snails and other invertebrates as well. Mine have thrived on a diet comprised of a wide variety of vegetables and fruits, crickets, earthworms, mealworms, pink mice and commercial turtle chow.     Further Reading Please […]
Read more » The Keeled Box Turtle – a Hardy Species in Need of Captive Breeding – Part 2

Fishing Spider: Habitat and Care

[…]legs to a dock, plant or rock and keep the front legs on the water’s surface. Fish, tadpoles or insects that disturb the surface are instantly attacked, with the spiders moving out over the water for several inches if necessary. Flying insects that fall onto the water likely comprise the […]

Prepared Diets and Food Supplements for House Crickets – Product Review

[…]chow and baby cereal can all be fed to crickets, but none are formulated specifically for these insects, and each has disadvantages.  When feeding crickets in public collections or at home, I now rely exclusively upon commercial cricket foods.  The following products are all very well-accepted by these perpetually hungry […]
Read more » Prepared Diets and Food Supplements for House Crickets – Product Review

Earthworm Flakes – a New Food for Tadpoles, Newts and other Aquatic Pets

[…]Tadpoles, Newts, smaller African Clawed Frogs, Crayfishes, Freshwater Shrimp, Snails and aquatic insects such as Diving Beetles would all benefit from a dose of earthworm nutrients in their diet. Earthworm Flake Food might also be tried with those animals that, while preferring live invertebrates, can sometimes be induced to accept […]
Read more » Earthworm Flakes – a New Food for Tadpoles, Newts and other Aquatic Pets

Dart Poison Frog Care and Natural History – An Overview

[…]mantids  Ants: not all are accepted; beware of large/aggressive species. Aphids: tiny insects that colonize plant stems. “Field Plankton”: insects gathered by sweeping through tall grass with a net. Tiny flies and gnats; consider the Bug Napper trap. Tiny millipedes and other leaf litter invertebrates Important food supplements include Zoo […]
Read more » Dart Poison Frog Care and Natural History – An Overview

Breeding the Green Basilisk and Related Species – Part 2

[…]and small minnows are an ideal calcium source, and dietary variety, including wild-caught insects, is essential.  Basilisks are one of the few lizards that accept earthworms, and these are an ideal food source for both young and adult individuals.  Soft-bodied roaches (i.e. Orange-Spotted Roaches) and silkworms are also favored. Young […]
Read more » Breeding the Green Basilisk and Related Species – Part 2

The 10 Best Ways to Prepare for a Career in Herpetology – Part 1

[…]cannot help but inspire.  Try Raymond Ditmars: his Exciting Life with Reptiles, Animals & Insects and In Search of Reptiles and Amphibians, a 1988 gem by modern-day herp legend Dick Bartlett. Observe Living in herp-poor environments should not deter you from looking about – I found NYC to hold surprising […]
Read more » The 10 Best Ways to Prepare for a Career in Herpetology – Part 1

Live Plants in Amphibian Terrariums – Pesticide Concerns

Live plants are very useful in creating amphibian terrariums that are both attractive to the eye and beneficial for the animals housed therein.  However, amphibian skin is permeable to substances as small as oxygen molecules.  Several readers have recently questioned whether pesticides used on terrarium plants could harm amphibians through […]
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Frog Recently Discovered on Borneo is Eastern Hemisphere’s Smallest

[…]– the water contained in the base of pitcher plants.  Pitcher “ponds”, which serve to drown insects that are digested by the plants, support miniature ecosystems inhabited by insect larvae, snails, crabs, algae and other organisms.  The newly described frogs deposit their eggs on the surface of the plant above […]
Read more » Frog Recently Discovered on Borneo is Eastern Hemisphere’s Smallest

Kihansi Spray Toads, Extinct in the Wild, Return to Africa

[…]too large for many newborns! We relied primarily upon nutrient-loaded pinheads, springtails (tiny insects) and fruit flies, but I was concerned that such did not comprise a balanced diet.  I collected tiny leaf-litter invertebrates (newly hatched millipedes, nematodes, ants, etc.) and fed these to the toads whenever possible.  Please see […]
Read more » Kihansi Spray Toads, Extinct in the Wild, Return to Africa

Reptiles and Amphibians in Outdoor Pens or Ponds: Preparing for Winter

[…]variety of behaviors and have better breeding results, and the access to natural sunlight and wild insects is very beneficial for the animals. The arrival of winter, however, ends the fun and brings special challenges. Today I’ll cover indoor and outdoor hibernation of terrestrial and aquatic turtles and frogs, and […]
Read more » Reptiles and Amphibians in Outdoor Pens or Ponds: Preparing for Winter

The Natural History and Care of the Greater Siren

[…]Greater Sirens take a wide variety of prey, including fish, frogs, other salamanders, tadpoles, insects, crayfishes, shrimps, snails and carrion. Some suggest that ducklings and small rodents are not beyond their grasp, and that algae may be consumed by juveniles. Miscellaneous Greater Sirens aestivate (become dormant) during droughts.  At these […]
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Tailless Whipscorpions – the Weirdest of All Arachnids?

[…]be provided a varied diet consisting of crickets, waxworms, roaches, locusts and wild caught insects. All species kept to date require very damp conditions and temperatures of 72-76 F.  Despite their tropical origins, tailless whipscorpions are most often found in caves, wells, hollow trees and other cool micro-habitats.  Most fail […]
Read more » Tailless Whipscorpions – the Weirdest of All Arachnids?
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