Sand wrasse (Ammolabrus dicrus)

Scientific name: Ammolabrus dicrus Randall & Carlson, 1997

Sand wrasse (Ammolabrus dicrus)

The Sand wrasse (Ammolabrus dicrus) is a marine fish of the family Labridae. Native range: Eastern Central Pacific, known only from O'ahu, Hawaiian Islands.

Biology

Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 3; Anal soft rays: 12; Vertebrae: 25. Flexible anal fin spines; 19 or 20 + 5 or 6 pored lateral line scales with single horizontal tubule, ending in a pore; scales thin and rhomboidal, those of thorax and anterior abdomen smaller than those of side of body; head naked except for 2 small scales dorsally on opercle and diagonal row of 5 partially embedded scales behind eye; no median predorsal scales; 3 small median prepelvic scales; anterior third of prepelvic region naked; branchiostegal rays 6; upper jaw strongly protrusible, median process of premaxilla extending to above anterior pupil edge; body moderately elongate, the depth 4.2-4.45 in SL; dorsal part of head from front of snout to origin of dorsal fin with a fleshy median ridge, the interorbital space high and triangular when viewed from the front; interorbital space narrowest anteriorly; caudal fin small, 1.45-1.65 in head length; pelvic fins

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ammolabrus dicrus
Family
Labridae (Wrasses)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
9.4
Depth range
7–18 m (23–59 ft)
Environment
Marine; benthopelagic; depth range 7 - 18 m
Climate
Tropical
Distribution
Eastern Central Pacific: known only from O'ahu, Hawaiian Islands.
Conservation status (IUCN)
Least Concern (LC)
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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