Longspine emperor (Lethrinus genivittatus)

Scientific name: Lethrinus genivittatus Valenciennes, 1830

Longspine emperor (Lethrinus genivittatus)

The Longspine emperor (Lethrinus genivittatus) is a brackish-water fish of the family Lethrinidae.

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Lethrinus genivittatus
Family
Lethrinidae (Emperors or scavengers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.0
Common length
15.0
Depth range
5–25 m (16–82 ft)
Environment
Marine; brackish; reef-associated; non-migratory; depth range 5 - 25 m
Climate
Tropical
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.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7)

Sources

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

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