Brazilian dartfish (Ptereleotris randalli)

Scientific name: Ptereleotris randalli Gasparini, Rocha & Floeter, 2001

Brazilian dartfish (Ptereleotris randalli)

The Brazilian dartfish (Ptereleotris randalli) is a marine fish of the family Ptereleotridae. Native range: Southwest Atlantic, endemic to Brazil.

Biology

Dorsal spines (total): 7; Dorsal soft rays (total): 22-24; Anal spines: 1; Anal soft rays: 21 - 23. This species is distinguished from its Atlantic congeners by having the following characters: dorsal and anal fins with bright orange-yellow submarginal bands; second dorsal and anal fins comparatively low, slightly elevated anteriorly; short caudal fin, 5ht and 6th rays prolonged as filaments; short pelvic fins, about the same length as pectorals.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ptereleotris randalli
Family
Ptereleotridae (Dartfishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
8.7
Depth range
8–60 m (26–197 ft)
Environment
Marine; reef-associated; depth range 8 - 60 m
Climate
Tropical
Distribution
Southwest Atlantic: endemic to Brazil.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Aquarium: commercial

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Sources

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

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