Malthopsis mcgroutheri Ho & Last, 2021
McGrouther’s triangular batfish

Family:  Ogcocephalidae (Batfishes)
Max. size:  4.54 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 215 - 275 m
Distribution:  Western Pacific: Australia.
Diagnosis:  Dorsal soft rays (total): 5-6. This species is distinguished by the following set of characters: D 5-6; pectoral-fin rays 11-12; dorsal surface scattered with relatively stout bucklers, skin rough with prominent spinelets; rostral spine is pointed, directly more upward than forward; skin above eye with many small spiny bucklers; bucklers on posterior part of skull are small; ventral surface covered with small bucklers and fine tubercles; subopercular buckler with small spinelets along its margin, none directed forward; rostral spine long, 8.1%-11.1% SL; orbit large 12.5%-14.2% SL; interorbital space narrow, 5.1%-7.1% SL; OD/IO = 1.8-2.7, OD/RL = 1.3-1.7; anal fin just reaching base of caudal fin when appressed (Ref. 123774).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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