Longfinned triplefin (Ruanoho decemdigitatus)

Scientific name: Ruanoho decemdigitatus Clarke, 1879

Longfinned triplefin (Ruanoho decemdigitatus)

The Longfinned triplefin (Ruanoho decemdigitatus) is a marine fish of the family Tripterygiidae. Native range: Southwest Pacific, around mainland New Zealand.

Biology

Dorsal spines (total): 20 - 23; Dorsal soft rays (total): 14-16; Anal spines: 2; Anal soft rays: 24 - 27. Males uniform grey to black with red fins and a bluish white margin to the anal fin during the breeding season. Females mottled greenish grey with an indistinct broken dark band along the base of the dorsal fins. Distinguished from other triplefins by the flattened pointed head and snout, the short, square caudal peduncle, and by having three spines in the first dorsal fin and 14-16 spines in the second.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ruanoho decemdigitatus
Family
Tripterygiidae (Threefin blennies)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
12.0
Depth range
0–6 m (0–20 ft)
Environment
Marine; demersal; depth range 0 - 6 m
Climate
Temperate
Distribution
Southwest Pacific: around mainland New Zealand.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
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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