Walea pygmy seahorse (Hippocampus waleananus) fish species and information / pictures of Walea pygmy seahorse - Hippocampus waleananus

Walea pygmy seahorse (Hippocampus waleananus) fish species information

Scientific Name
Hippocampus waleananus

Common Name
Walea pygmy seahorse

Biology
Extremely small (height 16.8mm, standard length 17.8mm); 12 trunks rings; tail elongate with 32 tail rings; 12 dorsal fin rays; 9 pectoral fin rays; anal fin absent (at least in one sex); eggs apparently brooded within trunk; medium length snout that lacks a bulbous tip; raised, angular coronet; fused gill openings on midline behind coronet supported by raised cleithral girdle; enlarged knob-like structures on head and trunk; paired laterally directed knob-like structures each with short fleshy filament on superior trunk ridge of the fifth trunk ring; last 28 tail rings each with small paired knobs on inferior tail ridge, fifth, ninth and twelfth tail rings with bilaterally paired enlarged knob-like structures on superior tail ridges; pale pinkish to yellowish with red to brown blotches, radiating bands from eye; body protuberances white, appearing as white spots (Ref. 80667).

Classification

Classified By
Gomon & Kuiter, 2009
Class
Ray-finned fishes (Actinopterygii)
Order
Pipefishes and Seahorses (Syngnathiformes)
Family
Pipefishes and seahorses (Syngnathidae)

Distribution

Region
Asia
Distribution
Asia: Indonesia. Known only from the Togean Islands in Tomini Bay, central Sulawesi (Ref. 80667).
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Marine; benthopelagic, usually 5 - 20 m (Ref. 80667)
Trophic Level
3.02 s.e. 0.45 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
False

Physical Size and Genetics

Maximum Length
1.8 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:
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