Thursday, May 30, 2013

Bony fish (Osteichthyes)

Class: Osteichthyes

Distinguishing Features:  
Lower jaw connected to head in one piece
Eyes supported by a sclerotic ring of four small bones
Head and pectoral girdle covered in large dermal bones
Support fin with bone fin rays
Mucus gland to coat body

Examples:  ocean sunfish, Atlantic blue marlin, giant grouper, lungfish, dwar

Our video is a lungfish, a unique type of bony fish in the sub category of actinopterygii, or ray finned fish.  It has developed primitive lungs and can remain out of water for extended periods of time.

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