Species Atypichthys strigatus

Common name: Mado

Previous nomenclature: Atypus mado, Atypus strigatus

Material

Description based on otoliths of one specimen of 142 mm FL. Otolith catalogue reference DMF70. Catch locality Disaster Bay, Victoria, 40 m depth. ID by DMF.

Otolith description

Otolith medium, oval. Dorsal margin rounded and lobed to sinuate; ventral margin rounded and slightly sinuate; posterior margin sharply rounded to pointed. Distal surface concave; proximal surface convex. Sulcus groove medium, heterosulcoid; opening ostial. Colliculum heteromorph. Collum absent. Crista superior ridge-like; crista inferior poorly developed. Rostrum large and broadly rounded. Excisura wide; notch shallow; angle acute.

Morphometry

FL = 45.376 OW 0374 mm n = 28; Std Err Est = 0.036; R = 0.939; P<0.001 Otolith weight range = 17.2-44.8 mg (CMAR)

Mass = 6.823 x 10-4 FL 2332 g n = 31; Std Err Est = 0.078; R = 0.949; P<0.001; Fish length range = 130-184 mm FL (CMAR)

Distribution and ecology

Queensland to Tasmania; also Lord Howe Island (Last et al. 1983) and New Zealand (Edgar et al. 1982); rocky reefs to 30 m depth; occurs in schools in the vicinity of caves and ledges; reaches 250 mm in length (Gomon et al. 1994).

Predator-prey information

Known prey of pied cormorant (Phalacrocorax varius) (Marchant and Higgins 1990).

Otolith of Atypichthys strigatus from a fish of 142 mm FL
0 0

Post a comment