Rhinocerus triplefin (Helcogramma rhinoceros)

Scientific name: Helcogramma rhinoceros Hansen, 1986

The Rhinocerus triplefin (Helcogramma rhinoceros) is a marine fish of the family Tripterygiidae.

Biology

Males are easily recognized by the extended nose and change color to display to females with an electric blue line below the eye, shaded by black below.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Helcogramma rhinoceros
Family: Tripterygiidae (Threefin blennies)
Order: Perciformes (Perch-like fish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 4.0
Depth range: 0–5 m (0–16 ft)
Environment: Marine; demersal; depth range 0 - 5 m
Climate: Tropical
Distribution: Western Pacific: Widespread in the area, from the Philippines, Viet Nam, Indonesia (Borneo) to the Solomon Islands. Recently collected from Fiji and Tonga (Williams pers. comm.). New locality records from Thailand and the Andaman Sea.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: of no interest; aquarium: potential
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)