Roughspine triangular batfish (Malthopsis asperata) is a ray-finned fish of the family Ogcocephalidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 7.5 cm. It occurs at depths between 183 and 670 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.
Dorsal soft rays (total): 5 - 6; Anal soft rays: 4. This species is distinguished by the following characters: having stout principal bucklers with prominent spines; D 5-6; pectoral-fin rays 12; ventral surface with small bucklers and minute prickles; subopercular buckler have 3 small spinelets: one directed forward, another outward and third backward; few blunt spinelets on its margin; interspaces of principal bucklers covered with small buckler and prickles; pointed rostral spine, directed forward and upward .: other (see remarks); Cross section: flattened.
Behavioural data for Roughspine triangular batfish is currently being reviewed.
Diet information for Roughspine triangular batfish is currently being compiled.
Reproduction data for Roughspine triangular batfish is currently being compiled.
Marine; pelagic-oceanic; depth range 183 - 670 m . Subtropical Pacific Ocean: tropical; seamounts off Australia, New Caledonia, and New Zealand.
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