Naso tergus Ho, Shen & Chang, 2011
Naso tergus
photo by Ho, H.-C.

Family:  Acanthuridae (Surgeonfishes, tangs, unicornfishes), subfamily: Nasinae
Max. size:  34.7 cm SL (male/unsexed); 32.5 cm SL (female)
Environment:  reef-associated; marine; depth range 70 - 80 m
Distribution:  Northwest Pacific: Taiwan.
Diagnosis:  Dorsal spines (total): 6-6; Dorsal soft rays (total): 26-30; Anal spines: 2-2; Anal soft rays: 26-28. This species differs from its congeners in having D VI; acute head, without rostral projection or tuberosity in adults; bony plates of caudal peduncle 2; relatively large eye (6.3-7.2% SL); median body depth, 2.8-2.9 in SL; teeth on upper jaw 100-120, on lower jaw 90-110; uniformly brownish body color; relatively small adult size which might not exceed 350 mm SL; and a different genome structure (Ref. 87782).
Biology:  This species feeds on benthic crustaceans and bivalves, indicating that this fish feeds on marine organisms living on the sea floor. Caught by bottom gill-net and hook and line at 70-80 m depth (Ref. 87782).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 02.09.11

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