Yawning (Poromitra oscitans)

Scientific name: Poromitra oscitans Ebeling, 1975

Yawning (Poromitra oscitans)

The Yawning (Poromitra oscitans) is a marine fish of the family Melamphaidae. Native range: Indo-Pacific, tropical waters.

Biology

Dorsal spines: 3; Dorsal soft rays: 9-10; Anal spines: 1; Anal soft rays: 7 - 8. This species is distinguished by the following characters: spinulated posterior and lower margins of the praeoperculum with the angular part of the praeoperculum having a non-spinulated notch; insertion of the ventral fins at the level of the vertical of the posterior margin of the pectoral fin insertion, or sometimes slightly shifted anteriad in small specimens; upper jaw extends beyond the vertical of the posterior eye margin; possess the smallest eyes among other species of the genus, 10.7-17.2 times in HL; soft rays on dorsal fin 9-10, in anal fin 7-8; first branchial arch with 23-25 rakers; vertebrae 24-25; pyloric caeca 7.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Poromitra oscitans
Family
Melamphaidae (Bigscale fishes or ridgeheads)
Order
Stephanoberyciformes (Pricklefishes, Bigscales and Gibberfishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
8.2
Depth range
645–5320 m (2116–17454 ft)
Environment
Marine; bathypelagic; depth range 645 - 5320 m
Climate
Deep-water
Distribution
Indo-Pacific: tropical waters.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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