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Contains articles and advice on a wide variety of turtle and tortoise species. Answers and addresses questions on species husbandry, captive status, breeding, news and conservation issues concerning turtles and tortoises.

Swollen Eyes in Red Eared Sliders and other Aquatic Turtles

Swollen, inflamed eyes are commonly seen in a wide variety of captive turtles.  Strangely, the hardy Red Eared Slider seems especially prone to this annoying and potentially life-threatening condition (as we’ll see, popular feeding practices may partially explain this).  From childhood through my career as a herpetologist, standard wisdom has blamed the condition on a Vitamin A deficiency. Today we also know that poor water quality is responsible for many, if not most, of the eye problems seen in Sliders, Cooters, Painted Turtles and similar species.  In this article we will look at the symptoms, causes, prevention and treatment of various turtle eye maladies.

HAIDEN , TURTLE, CLOSESymptoms

Most eye problems first manifest as a slight but noticeable puffiness of the eyelids.  Vitamin A deficiencies and fungal/bacterial infections can cause tissue within and around the eyes to degrade.  As a result, epithelial cell “debris” collects along the eye rims and under the lids. Pressure and irritation causes the lids and tear ducts to swell. Read More »

Turtle and Tortoise Eggs – Knowing When She is Ready to Lay

In the course of my work, I am often contacted by turtle owners whose pets cease feeding and become unusually restless.  The behavior appears suddenly, sometimes after many uneventful years – a Common Musk Turtle did so after 22 years in my collection – and seems to have no external cause.  A normally placid turtle may begin frantically paddling or wandering about, trying to climb the sides of the terrarium and escape.  Food, once the focus of the creature’s existence, is ignored.

Common Snappers hatching

Uploaded by Frank Indiviglio

It surprises some folks to learn that turtle and tortoise eggs may develop even if the female has never mated, and that mated animals may retain sperm and produce fertile eggs years later.  Unfortunately, gravid (egg-bearing) turtles can be very choosy when it comes to nesting sites…a ½ acre exhibit failed to satisfy some I’ve cared for at the Bronx Zoo!  If the eggs are not deposited, blockages due to over-calcification and life-threatening infections invariably result.  Fortunately, there are ways to “convince” your pet to lay her eggs; failing this, several effective veterinary options are available.

What To Do

If your female turtle or tortoise suddenly stops feeding and begins to act as described above, first check that something has not gone wrong in the environment.  Overheating, Lysol poured into the tank by a mischievous child (actual story), or cage-mate aggression can all cause similar behaviors.

If you suspect eggs, your best option would be to have radiographs done by a veterinarian (please post below if you need help in locating an experienced vet).  Your vet can determine how many eggs are present, approximately how far along they are in their development, and if problems related to unusual size or over-calcification can be expected.  Also, other health issues that may cause similar symptoms can be investigated. Read More »

The Best Pet Tortoise – Greek Tortoise and Golden Greek Tortoise Care

I do not believe that any tortoise species can be classified as “easy-to-keep”, but several are better-suited as pets than others.  I’ve covered on of these, the Russian Tortoise (Testudo horsfieldi), in an earlier article (read article here).  The Greek Tortoise (T. graeca), while interesting enough for the most seasoned hobbyist, may also be the best pet tortoise, and an ideal choice for first-time keepers.  Topping out at 8 inches in length, captive-bred individuals are readily available.  They are as personable as any of their relatives, and decades of popularity among European keepers has left us with a good understanding of their needs. I’ll summarize these in the following article, and will also draw from my own experiences with this and related species during my long career at the Bronx Zoo.

Greek Tortoise (Tunisia)

Uploaded to wikipedia commons by Richard Mayer

A Note on Classification

Also known as the Mediterranean Spur-Thighed Tortoise (not to be confused with Africa’s Spurred Tortoise, Geochelone sulcata), the Greek Tortoise is one of the smaller of the world’s 53 tortoise species.

Its taxonomy is somewhat complicated, with up to 13 subspecies being recognized.  Traditionally, T. g. ibera comprised the bulk of those in the pet trade, and it remains the most widely-bred subspecies.  The parent stock seems to have originated mainly from Turkey. Read More »

Automatic Feeders – Turtle and Newt Pellet Dispenser and Foraging Toy

Vacation feeders and “toys” for turtles…reptile care supplies certainly have come a long way since I started on my pet care and zoo-keeping career! Today I’d like to highlight two new automatic feeders designed especially for turtles (I believe both will be useful for African Clawed Frogs, Mexican Axolotls, newts and larger fishes as well).  Exo Terra’s Automatic Feeder represents a great step forward in turtle care, allowing for 4 daily feedings of different foods over an extended period of time.  The Zoo Med Floating Turtle Feeder, while not technically a “toy”, will keep you and your turtles entertained. Similar to behavioral enrichment tools and activities I employed at the Bronx Zoo, this feeder forces turtles to “work” for their meals, thereby encouraging activity and foraging behaviors. Read More »

Reeve’s Turtle – Perfect Pet Turtles for Red Eared Slider Fans

The Reeve’s Turtle, Mauremys reevesii, (a/k/a Chinese Three-Keeled Pond Turtle, Japanese Coin Turtle, Golden Turtle) was one of the first Asian species available to aspiring herpetologists of my generation.  Early-on, I found it to be as hardy, even-tempered and willing to breed as the Red-eared Slider, but easier to accommodate in, especially for one with limited space.  In time, it appeared less often in the trade, and my work with rarer Asian turtles at the Bronx Zoo kept the species “off my radar” for some years.  Today I’m happy to see that both new and experienced turtle fans are again keeping this fascinating denizen of East Asia’s wetlands.  In my opinion, Reeve’s Turtles make better “first reptile pets” than does the slider, yet is interesting enough for the most advanced turtle-enthusiasts.  Today I’ll review its care and natural history…please post your own thoughts and experiences below.

Reeves Turtle

Uploaded to Wikipedia Commons by Σ64

Description

Reeve’s Turtles vary from tan to black in carapace color, with many sporting a pleasing combination of several shades, and the head and neck are marked with broken yellow lines.  The carapace’s 3 sharp keels lend interest to its appearance.  Most top out at 5 inches in length, but I’ve seen a number of 8-9 inch long individuals.  Some Japanese populations produce turtles in the 12 inch range.

Color, pattern, size and head width vary widely across the huge range.  Although 1 species is recognized at present, genetic evaluation may lead to the naming of additional species or sub-species. Read More »

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