Caution – Female Turtles, even if Unmated, Must be Provided with a Nest Site

Blanding’s Turtle Laying EggsSpring weather often brings me questions concerning aquatic turtle nesting behavior. As temperatures warm (and sometimes before, as indoor turtles may be “ahead” of schedule) pet female turtles should be checked for signs that they are carrying eggs. While Red-Eared Sliders, Painted and Snapping Turtles and other largely aquatic turtles are among the hardiest reptilian pets, providing for gravid (egg-bearing) females can be very difficult…failure to do so, however, can result in the turtle’s death.

I’ve written about the problem of Dystocia, or retained eggs, in the past. Today I’d like to dispel a commonly-held belief concerning turtle reproduction, and add a few cautions. Read More »

Using Undergravel Filters in Reptile and Amphibian Aquariums and Terrariums

Eastern Newt Undergravel filters were considered to be indispensible pieces of equipment when I first began setting up marine aquariums decades ago.  Encouraged by success in using them with creatures ranging from seahorses to octopuses, I began to experiment with herp enclosures.  I eventually came to rely heavily upon undergravel filters in my own collection, and for large zoo exhibits.  Though now out of favor, this highly effective tool deserves a second (or first!) look by herp-keepers.

Getting Started

I’ll refer you to a great article on That Fish Blog, Using Undergravel Filters to Their Full Potential (please see below), for details concerning set up and maintenance.  The points raised there are essential to understand if you are to successfully use an undergravel filter.  I’ll focus here on my experiences and some fine points I’ve picked up along the way. Read More »

Myth-Buster – Will Non-Native Burmese Pythons Spread Beyond Southern Florida?

Burmese Python in the EvergladesThis is the first in a new series of what I’ll call “Myth-Buster Articles”, which will focus on beliefs or practices that have aroused debate in the herpetological community.  After reviewing the available research and my own and others experiences, I will attempt to sort fact from fiction.  Today I’ll highlight the recent studies that have sought to determine if introduced Burmese Pythons, Python molurus bivittatus (a.k.a. P. b. bivittatus) may eventually spread north and west from their current strongholds in South Florida.  Links to the articles mentioned are included below.

Studies comparing the climate in the USA with that in the Burmese Python’s native range (South and Southeast Asia), including one by the US Geological Survey, have predicted that the huge snakes may eventually range north to Delaware and southern Maryland  and west to California.  In all, 32 states were said to provide possible habitat. Read More »

The Best Diet for Captive Newts and Mexican Axolotls

Tritirus mamoratusI usually hesitate to recommend an “all purpose” diet for any group of creatures, as even slight differences between species can be greatly affect their nutritional needs.  However, long experience with many newts has led me to a diet that works well for nearly all those that one might encounter.  The following feeding recommendations can applied to Eastern Spotted, Ribbed, Japanese Fire-Bellied, Alpine, Paddle-Tailed, Crested and Marbled Newts, as well as to Mexican Axolotls.  With a bit of fine-tuning, other species can be accommodated as well…please write in if you need further information.

Basic Diet

Newt-feeding is simplified by the fact that nearly all species will take non-living foods…this is in sharp contrast to terrestrial salamanders, which generally consume live prey only. Read More »

The Natural History and Captive Care of the Pickerel Frog

Pickerel FrogPickerel Frogs, Lithobates palustris, are “early risers” from winter hibernation and may travel quite far to reach their breeding ponds and summer habitats.  As a result, they often become trapped in swimming pools, window wells and other such areas.  Each spring I receive a number of requests for information concerning their care and rehabilitation.  Often, folks mistake them for the better-known (but often rather scarce) Leopard Frog, Lithobates pipiens.

Description

The body ranges from tan to greenish-brown in color and is marked with parallel rows of “almost square” black spots; a bright yellow or orange patch is present on the inner thighs.  Pickerel frogs grow to a length of 2-3.5 inches and are slender in build. Read More »

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