Deep blue Chromis (Chromis abyssus)

Scientific name: Chromis abyssus Pyle, Earle & Greene, 2008

Deep blue Chromis (Chromis abyssus)

The Deep blue Chromis (Chromis abyssus) is a marine fish of the family Pomacentridae. Native range: Western Pacific, Palau.

Biology

Dorsal spines (total): 14; Dorsal soft rays (total): 12-13; Anal spines: 2; Anal soft rays: 12 - 14. This species is distinguished by the following characters: Dorsal rays XIV,12-13, usually 13; anal rays II,12-14, usually 13; pectoral rays 18-19, usually 19; spiniform caudal rays 3; tubed lateral-line scales 14-16; gill rakers 6-7 + 17-18, usually 7 + 18, total 24-25, usually 25; body depth 1.58-1.83 in SL; the color when fresh is dark gray with a large iridescent dark blue spot at center of each scale; membranes on median fins and pelvic fins opaque charcoal gray, with an iridescent dark blue margin on the spinous part of the dorsal and anal fins; caudal fin mottled iridescent dark blue and black; pectoral fins with a black ovoid spot covering the basal portion and pectoral-fin axis.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Chromis abyssus
Family
Pomacentridae (Damselfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.8
Depth range
107–139 m (351–456 ft)
Environment
Marine; reef-associated; depth range 107 - 139 m
Climate
Tropical
Distribution
Western Pacific: Palau.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

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

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