River pipefish (Syngnathus watermeyeri) fish species and information / pictures of River pipefish - Syngnathus watermeyeri

River pipefish (Syngnathus watermeyeri) fish species information

Scientific Name
Syngnathus watermeyeri

Common Name
River pipefish

Biology
Occurs in rivers with tidal influence. Found in association with submerged aquatic macrophytes, primarily the eelgrass Zostera capensis (Ref. 26174). Sympatric with Syngnathus acus in the eelgrass beds (Ref. 26174). Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).

Classification

Classified By

Smith, 1963

Class

Ray-finned fishes (Actinopterygii)

Order

Pipefishes and Seahorses (Syngnathiformes)

Family

Pipefishes and seahorses (Syngnathidae)

Distribution

Region

Africa

Distribution

Africa: Known only from areas of tidal influence within the Kariega, Kasouga and Bushmans Rivers, South Africa.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Brackish; demersal

Trophic Level

3.26 s.e. 0.49 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

13.0 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

Aquarium: commercial

Vulnerability

Low vulnerability (13 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Critically Endangered (CR) (B1ab(i,ii,iii);C2a(i))