Blackfin croaker (Lonchurus elegans)

Scientific name: Lonchurus elegans Boeseman, 1948

Blackfin croaker (Lonchurus elegans)

The Blackfin croaker (Lonchurus elegans) is a brackish-water fish of the family Sciaenidae. Native range: Western Atlantic, Colombia to Brazil.

Biology

Dorsal spines (total): 11; Dorsal soft rays (total): 32-34; Anal spines: 2; Anal soft rays: 7. Colour dark greyish above, yellowish to pale below. Pectoral fins long and jet black. Tips of pelvic and anal fins dark. Inside of gill cover black. Eye small, about 8 to 9 times in head length. Mouth small, inferior, enclosed under snout. Chin with 5 pores and many barbels, 3 to 4 pairs in a tuft around median mental pore, 15 or 16 pairs along median edges of lower jaws and subopercles. Pectoral fins greatly enlarged, extending beyond anal-fin base. Gas bladder narrow, about equal to head length, bearing anteriorly 2 pairs of appendages, anterior pair short and horn-like, lateral pair long, tube-like, extends to posterior end of gas bladder (Ref 51721).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Lonchurus elegans
Family
Sciaenidae (Drums or croakers)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
32.0
Common length
27.0
Depth range
25 m (82 ft)
Environment
Marine; brackish; demersal; depth range ? - 25 m
Climate
Tropical
Distribution
Western Atlantic: Colombia to Brazil.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
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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