Amphibian reptile management
This presentation is the property of its rightful owner.
Sponsored Links
1 / 26

Amphibian & Reptile Management PowerPoint PPT Presentation


  • 61 Views
  • Uploaded on
  • Presentation posted in: General

Amphibian & Reptile Management. Dr. N. Matthew Ellinwood, D.V.M., Ph.D. March 21, 2012. Iowa State University College of Agriculture and Life Sciences. General Considerations: Some relevant to Reptiles, Amphibians, and Fish. Domestic Animals? Green iguana is kept as a food animal

Download Presentation

Amphibian & Reptile Management

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Amphibian reptile management

Amphibian & ReptileManagement

Dr. N. Matthew Ellinwood, D.V.M., Ph.D.

March 21, 2012

Iowa State University

College of Agriculture and Life Sciences


General considerations some relevant to reptiles amphibians and fish

General Considerations:Some relevant to Reptiles, Amphibians, and Fish

  • Domestic Animals?

    • Green iguana is kept as a food animal

    • Crocodile; $17 million impact (Louisiana)

    • Others?

      • Companion animal management requires more closely replicating wild environments

  • Habitat

  • Food

  • Regulation


Feeding amphibians

Feeding Amphibians

  • Tadpoles

    • Carnivorous/herbivorous/omnivorous

  • Adults

    • Visually oriented on prey (may require live insects)

    • Carnivorous

      • Insects (supplements)

      • Fish

      • Commercial diet (aquatic fish)


Vivarium

Vivarium

  • soil or peat

  • water – think fish

    • dechlorinate

    • filter

    • temperature

  • shelter


Amphibian reptile management

Food

  • Infusoria – babies

    • Purchased or maintained cultures

  • Earthworms

  • Blood worms

    • Both a fish and amphibian commercial food

  • Drosophila

  • Crickets

  • Mice


Breeding behavior and development

Breeding Behavior and Development

  • Pseudocopulation

    • Amplexus

      • Latin for embrace

  • Fertilization can occur internally or externally

    • Internal fertilization accomplished by females taking up spermatophores

    • (Usually) water dependent development and with metamorphsis


Cites

Cites

  • Convention on International Trade in Endangered Species of Wild Fauna and Flora

  • http://www.cites.org/

  • ~5000 animal species

  • ~28,000 plant species


Threatened and endangered

Threatened And Endangered

  • Sentinel species

  • Chytridiomycosis

  • 50% of Salamander and Newts at risk

  • 10% extinction of some classes

    • Rhacophoridae "moss, bush, tree, or flying frogs"


Amphibians

Amphibians

  • Smooth, moist, glandular skin

    • most species absorb water through skin

    • some species breath through skin

  • Must spend part of life in water

  • Metamorphosis

  • Eggs adapted to water environment

  • world – 6,260 species

  • U. S. – 230 species


Evolutionary concerns

Evolutionary Concerns

  • Derived from Coelocanth/lungfish type forebearer

  • Developed in Devonian period

    • ~400 million years ago

  • Top predators

    • Permian Triassic extinctions

    • 250 million years ago


Amphibians1

Amphibians

  • Frogs

  • Toads

  • Newts

  • Salamanders

  • Caecilians (clade Apoda)


Frogs

Frogs

  • Spend most or all of life in water

    • green frog

    • Rana clamitans


Frogs1

FROGS

  • American green tree frog – Hyla cinerea


Toads

Toads

  • Develop in water

  • Spend later life on land

American toad – Bufo americanus americanus


Newts

Newts

  • Spend (most of) life in water or marshy areas

  • Regenerative abilities (see salamanders)

  • Toxins: “She turned me into a Newt . . . . I got better”

red spotted newt – Eastern newt

Notophthalmusviridescens – easy to keep


Salamanders

Salamanders

  • Approximately 320 species

  • 2 to 70 inches in length

  • Autotomy

  • Limb regeneration etc (limbs, eyes, spinal cords, hearts, intestines)


Amphibian reptile management

Fire salamander – easy to keep

European and long lived


Amphibian reptile management

Axolotl – albino

Failure of metamorphosis


Amphibian reptile management

axolotl - gold


Axotltl

Axotltl

  • Related to Tiger salamanders

  • Research focus

    • Metamorphosis failure

    • Gilled and aquatic

    • Large embryo

    • Ease of production

    • Regenerative

  • Named for lake under Mexico City


Amphibian reptile management

  • Tiger salamander

  • “terrestrial”

  • Easy to keep

  • Carriers of Chytrodiomycosis


Amphibian reptile management

Caecilians

  • Tropical

  • Live underground

  • 1 inch to 1.5 meters

  • Seen in (aquarium) pet trade

  • Sicilian eel

  • Typhlonectes from South America (fully aquatic)


Fire bellied toad

Fire Bellied Toad

  • Small

  • South Asia

  • Toxins

    • Children

  • Diurnal

  • Can tame up

  • 10-15 years


Poison dart frog

Poison Dart Frog

  • Name

  • South America

    • Rainforests

  • Up to 1.5 inches

  • Ants

  • Diurnal

  • 3-5 years


African clawed frogs

African Clawed Frogs

  • African

  • Fully aquatic

  • 6 inches

  • 15 years

  • Pet trade

  • Research

  • Carnivorous

  • Good starter


Tree frogs

Tree frogs

  • Americas, Asia, Europe

  • ~640 Spp

  • Small

  • Brightly colored

  • Nocturnal

    • Special lights

    • Special cycles

  • Hyla cinerea

    • Mississippi Valley


  • Login