Longspine emperor (Lethrinus genivittatus) fish species and information / pictures of Longspine emperor - Lethrinus genivittatus

Longspine emperor (Lethrinus genivittatus) fish species information

Scientific Name
Lethrinus genivittatus

Common Name
Longspine emperor

Biology
Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. The only Lethrinus with its 2nd dorsal spine the longest. The inner surface of the pectoral fin may be scaleless, partially covered with scales or densely covered with scales. Body color is tan or brown on the upper sides, white on the lower sides, with three tan or brown stripes. The sides often have scattered irregular black oblique bars and a square black blotch above the pectoral fin and bordering below the lateral line. The head is brown or tan sometimes with several broad, somewhat indistinct vertical and oblique bands (these bands are sometimes composed of fine reticulations). The fins are pale, speckled with small white blotches.

Classification

Classified By
Valenciennes, 1830
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Emperors or scavengers (Lethrinidae)

Distribution

Region
Indo-West Pacific
Distribution
Indo-West Pacific: Indonesia (including eastern Indian Ocean side), northern Australia, Philippines, southern Japan, Papua New Guinea and the Caroline Islands. This species has long been recognized as Lethrinus nematacanthus and the name Lethrinus genivittatus misassociated with many other species.
Range
35°N - 30°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
5 m
Depth To - meters
25 m
Zone
reef-associated
Environment
Marine; brackish; reef-associated; non-migratory; depth range 5 - 25 m (Ref. 1602)
Trophic Level
3.5 s.e. 0.51 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
25.0 cm
Common Length
15.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
Low vulnerability (17 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)