Janss' pipefish (Doryrhamphus janssi) fish species and information / pictures of Janss' pipefish - Doryrhamphus janssi

Janss' pipefish (Doryrhamphus janssi) fish species information

Scientific Name
Doryrhamphus janssi

Common Name
Janss' pipefish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 22-25. Superior trunk and tail ridges discontinuous; inferior trunk ridge ending on anal ring; lateral trunk ridge continuous with inferior tail ridge; body rings 16; tail rings 21-23.

Classification

Classified By

Herald & Randall, 1972

Class

Ray-finned fishes (Actinopterygii)

Order

Pipefishes and Seahorses (Syngnathiformes)

Family

Pipefishes and seahorses (Syngnathidae)

Distribution

Region

Western Central Pacific

Distribution

Western Central Pacific: Gulf of Thailand to the Solomon Islands, north to the Philippines, south to Queensland; Belau and Truk in Micronesia.

Range

19°N - 29°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

35 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 0 - 35 m (Ref. 1602)

Trophic Level

3.73 s.e. 0.52 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

True

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

14.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (14 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)