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Species: Schindleria "cf praematura", Eastern Pacific infantfish

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very elongate
large eyes
D 19-22
A 11-13, origin under mid D
C 13
bones incompletely developed
no pelvics
vertebral column end - a rod
no scales

Schindleria "cf praematura" (Schindler, 1930)

Eastern Pacific infantfish

Body  strongly elongate (height ~7% of SL)  and compressed; mouth oblique, reaches under eye; eyes large and bulging; numerous cartilaginous and dermal bones (e.g the operculum) that are not fully developed; dorsal fin with long base, at rear of body, 19-22 unbranched fin rays; 11-13 anal fin rays, origin of fin ~under center of dorsal fin; 11-18 pectoral rays; no pelvic fins; vertebrae 38-40, a long, rod-like structure at the end of the vertebral column; 13 main rays in bluntly triangular tail fin; no scales.

Color transparent

Reaches 4.8 cm (in the TEP)

Lives pelagically (near the bottom during the day, up in the water column at night) in shallow reef waters, including lagoons

Depth range 0-130m

In the TEP this species is known from the Revillagigedos (Clarion) and Cocos Islands.

Note: According to Randall (2007)  S. praematura may be restricted to the Hawaiian Islands, the origin of the holotype, because these fishes have very short life cycles and many more new undescribed species have been recently identified using genetic techniques. Although Williams and Williams (2006) identified Cocos specimens as S. praematura, we refer to the TEP population as S. "cf praematura".

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Near Surface
  • Surface
  • Water column only
  • Mid Water
  • Near Bottom
  • Water column
FishBase Habitat
  • Bentho-Pelagic
Feeding Group
  • No Data
  • Planktivore
  • No Data
  • Zooplankton
Egg Type
  • No data
  • Pelagic
Global Endemism
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
  • All species
Regional Endemism
  • All species
  • TEP endemic
  • TEP oceanic island (s) endemic
  • Island (s)
  • Multiple oceanic islands endemic
  • Island (s) only
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 4
Depth Range Min
  • 0
Depth Range Max
  • 130