Malthopsis arrietty Ho, 2020
Short-horn triangular batfish
photo by Ho, H.-C.

Family:  Ogcocephalidae (Batfishes)
Max. size:  5.4 cm SL (male/unsexed)
Environment:  bathydemersal; marine; depth range 234 - 777 m
Distribution:  Western Pacific: the Philippines.
Diagnosis:  Dorsal soft rays (total): 4-6. This species is distinguished by the following characters: no prickles on interspaces of bucklers; an extremely short rostrum (x? = 4.1% SL) directed upward rather than forward; large eye (x? = 15.4% SL); narrow interorbital space (x? = 5.5% SL); OD/RL = 2.4-5.3 and OD/IO = 2.4-3.2; body with a few scattered bucklers, with interspaces largely naked on dorsal surface; ventral surface with few flat bucklers, mostly restricted to around pelvic-fin base, and almost naked elsewhere (Ref. 124115).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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