Functional anatomy of the Macrouridae (Teleostei, Gadiformes)
Citable URI
https://hdl.handle.net/1912/1354DOI
10.1575/1912/1354Keyword
Teleostei; Gilliss (Ship) CruiseAbstract
Osteology and myology of the head of 21 species of
macrourids and two closely related species are described.
A general model of the mechanics of the macrourid head
during feeding has been developed based on the anatomical
findings. The structure of the head and integration of
morphological units are used to explain specializations in
the utilization of different food resources. Pelagic prey
are the source of food for the most primitive species and
for a few of the more specialized ones. A highly protrusible
mouth and long rostrum are adaptations for benthic feeding
and have appeared in three independent evolutionary lines
within the group. Macrourids that are predators on benthos
tend to be small and live at depths shallower than 2000 meters.
Description
Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution May, 1976
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Suggested Citation
Thesis: McLellan, Tracy, "Functional anatomy of the Macrouridae (Teleostei, Gadiformes)", 1976-05, DOI:10.1575/1912/1354, https://hdl.handle.net/1912/1354Related items
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