Forktail blenny (Meiacanthus atrodorsalis)

Scientific name: Meiacanthus atrodorsalis G?nther, 1877

The Forktail blenny (Meiacanthus atrodorsalis) is a marine fish of the family Blenniidae.

Biology

Dorsal spines (total): 4; Dorsal soft rays (total): 25-28; Anal spines: 2; Anal soft rays: 15 - 18. Identified by the blue-edged diagonal black line from the eye and yellow dorsal fin or back. Adults have long filaments on the caudal fin tips; length without filaments.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Meiacanthus atrodorsalis
Family: Blenniidae (Combtooth blennies)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 11.0
Depth range: 1–30 m (3–98 ft)
Environment: Marine; reef-associated; depth range 1 - 30 m
Climate: Tropical
Distribution: Western Pacific: Bali and the Philippines east to Samoa, north to Ryukyu Islands, south to Rowley Shoals, the southern Great Barrier Reef, and New Caledonia; throughout Micronesia. Replaced by the uniformly yellow species ovalauensis in Fiji, and by Meiacanthus tongaensis in Tonga.
Conservation status (IUCN): Not Evaluated
Threat to humans: Venomous
Uses: Aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)