Pleated turtle escapes the box – shape changes in Dermochelys coriacea
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چکیده
منابع مشابه
Pleated turtle escapes the box--shape changes in Dermochelys coriacea.
Typical chelonians have a rigid carapace and plastron that form a box-like structure that constrains several aspects of their physiology and ecology. The leatherback sea turtle, Dermochelys coriacea, has a flexible bony carapace strengthened by seven longitudinal ridges, whereas the plastron is reduced to an elliptical outer bony structure, so that the ventrum has no bony support. Measurements ...
متن کاملThe leatherback turtle, Dermochelys coriacea, exhibits both polyandry and polygyny.
The leatherback turtle (Dermochelys coriacea) is an endangered species, and world-wide populations are declining. To understand better the mating structure of this pelagic and fragile species, we investigated paternity in nearly 1000 hatchlings from Playa Grande in Parque Marino Nacional Las Baulas, Costa Rica. We collected DNA samples from 36 adult female leatherbacks and assessed allele frequ...
متن کاملEstimating body mass in the leatherback turtle Dermochelys coriacea
Body mass is a major life history trait and provides a scale for all living processes of organisms. Unfortunately body mass cannot be easily measured for many species, because of the logistical difficulties involved in actually catching and weighing them. This is particularly true for sea turtles which are large vertebrates that spend most of their life at sea. Here we developed a general linea...
متن کاملOcular morphology of the Leatherback sea turtle (Dermochelys coriacea).
OBJECTIVE The Leatherback sea turtle is the largest extant reptile and the sole member of the family Dermochelyidae. Here, the eye of this critically endangered marine turtle was investigated to determine the anatomy, optics, and optical sensitivity. ANIMALS STUDIED Three Leatherback sea turtles, Dermochelys coriacea. RESULTS The eye is small in proportion to body size of the adult compared...
متن کاملDigenea of the Green Turtle (Chelonia mydas) and the Leatherback Turtle (Dermochelys coriacea) from Puerto Rico
f rom the lea therback tur t le , D e r m o c h e l y s c o r i a c e a , in Puer to Rico . Species f rom C. mydas i n c l u d e o n e spi rorch id , Learedius or iental i s , one pronocepha l id , Pyelosomum cochelear , two angiodic ty ids , D e u t e r o baris proteus and Microscaphidium re t iculare , one s typhlodor id , Paralepoderma acar iaeum and one microscaphid i id , Polyangium l ingu...
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ژورنال
عنوان ژورنال: Journal of Experimental Biology
سال: 2011
ISSN: 1477-9145,0022-0949
DOI: 10.1242/jeb.057182