Sand wrasse (Ammolabrus dicrus) fish species and information / pictures of Sand wrasse - Ammolabrus dicrus

Sand wrasse (Ammolabrus dicrus) fish species information

Scientific Name
Ammolabrus dicrus

Common Name
Sand wrasse

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

Classification

Classified By
Randall & Carlson, 1997
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Wrasses (Labridae)

Distribution

Region
Eastern Central Pacific
Distribution
Eastern Central Pacific: known only from O'ahu, Hawaiian Islands.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
7 m
Depth To - meters
18 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 7 - 18 m (Ref. 26794)
Trophic Level
3.34 s.e. 0.45 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
9.4 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (23 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)