Craterocephalus munroi Crowley & Ivantsoff, 1988
Munro's hardyhead
Craterocephalus munroi
photo by FAO

Family:  Atherinidae (Silversides), subfamily: Craterocephalinae
Max. size:  5 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; brackish
Distribution:  Australia: Bynoe, Nicholson, and Norman Rivers in the lower Gulf of Carpentaria.
Diagnosis:  Dorsal spines (total): 6-8; Dorsal soft rays (total): 5-7; Anal spines: 1-1; Anal soft rays: 6-7. Gill rakers (10 to 12) with small spinules, short, stumpy, less than half diameter of pupil. Anus from 0 to 2 scales behind tips of ventrals. Origin of first dorsal fin from 4-6 scales in front of vertical through tips of ventral fins. Second dorsal fin with I spine and 5-7 rays; anal fin with I spine and 6-7 rays. Midlateral scale count 26-29.
Biology:  Inhabits fluviatile and estuarine habitats. Does not appear to school in large numbers nor does it seem to be abundant. Biology unknown (Ref. 9760).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:   

Source and more info: For personal, classroom, and other internal use only. Not for publication.

Page created by Jen, 05.08.02, php script by kbanasihan 06/09/2010 ,  last modified by sortiz, 10/02/17