Poreface longfin (Plesiops facicavus) is a ray-finned fish of the family Plesiopidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 4.6 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms.
Dorsal spines (total): 12; Dorsal soft rays (total): 7; Anal spines: 3; Anal soft rays: 8. : short and / or deep; Cross section: compressed.
Behavioural data for Poreface longfin is currently being reviewed.
Eggs are guarded by the male parent .
Marine; reef-associated. Tropical Central Pacific: known only from the 2 specimens collected in 1909 in Togian Bay, Togian Island, Sulawesi (Indonesia).
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