Helen's pygmy pipehorse (Idiotropiscis larsonae) fish species and information / pictures of Helen's pygmy pipehorse - Idiotropiscis larsonae

Helen's pygmy pipehorse (Idiotropiscis larsonae) fish species information

Scientific Name
Idiotropiscis larsonae

Common Name
Helen's pygmy pipehorse

Biology
Found clinging to attached Sargassum sp. On a sheltered coral reef. Probably not exceeding about 5 cm TL. Males may be mature at 3.35 cm TL. Ovoviviparous (Ref. 205). Males with brood pouch; females with ovipositor (Ref. 205).

Classification

Classified By

Dawson, 1984

Class

Ray-finned fishes (Actinopterygii)

Order

Pipefishes and Seahorses (Syngnathiformes)

Family

Pipefishes and seahorses (Syngnathidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: known only off Alpha Island, Monte Bello Islands, Western Australia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

3 m

Depth To - meters

9 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 3 - 9 m (Ref. 5316)

Trophic Level

3.16 s.e. 0.44 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

Unknown cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

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