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Setting up your tank

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Rhinocerus triplefin (Helcogramma rhinoceros) fish species and information / pictures of Rhinocerus triplefin - Helcogramma rhinoceros

Rhinocerus triplefin (Helcogramma rhinoceros) fish species information

Scientific Name
Helcogramma rhinoceros

Common Name
Rhinocerus triplefin

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 (Ref. 48636).

Classification

Classified By

Hansen, 1986

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Threefin blennies (Tripterygiidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Widespread in the area, from the Philippines, Viet Nam, Indonesia (Borneo) to the Solomon Islands (Ref. 13227). Recently collected from Fiji and Tonga (Williams pers. comm.). New locality records from Thailand and the Andaman Sea (Ref. 27223).

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

5 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 5 m (Ref. 58018)

Trophic Level

3.04 s.e. 0.33 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

4.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; aquarium: potential

Vulnerability

Low vulnerability (10 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated