Cranial Anatomy of Hawaiian Goby Fish

Takashi Maie

This illustration shows the cranial skeleton of Hawaiian stream gobies Awaous guamensis (top left), jaw closing muscles (adductor mandibulae complex, A1, 2, and 3; top right), the deepest portion of adductor mandibulae (A3, red; bottom left) and the superficial portion of adductor mandibulae (A1, green, and A2, blue; bottom right).

Cranial Anatomy of Hawaiian Goby Fish  by Takashi Maie

The design and shape of anatomical structures can have a major impact on the ability of animals to perform specific functions and, as a result, is often associated with aspects of species ecology. Biomechanical studies allow us to understand how, in animals, morphology and patterns of performance are interrelated, and can yield insights into the ecological consequences of particular morphological structures. This image is part of a study to relate the shape of feeding structures to patterns of feeding in Hawaiian stream gobies, with the goal of providing insight into their position in the food chain, and the geographical aspects of their ecology.

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