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Species: Xenocys jessiae, Black-striped salema

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eye large
2 separate Ds, D1 longer base
7 black stripes
mouth oblique, lower jaw projects
A 10-11
LL 50-52

Xenocys jessiae Jordan & Bollman, 1890

Black-striped salema

Elongate, compressed; head conical, compressed; eyes large; chin with 2 pairs of pores, rear pores larger, well separated, not in a hole; mouth short, oblique, lower jaw projecting; teeth minute, in bands on jaws, on roof of mouth; dorsal fin - spiny and soft parts completely separate, X +I, 13-14, 2nd  fin with shorter base than 1st  fin; tail forked; anal - III small spines, 10-11 rays, soft part similar in size and form to soft dorsal; lateral- line scales 50-52.

Silvery with about 7 black stripes along side.

Size: attains 30 cm.

Habitat: forms daytime aggregations containing hundreds of individuals, along rocky shores.

Dept: 3-20 m.

Galapagos Islands.

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  • Marine
  • Marine Only
  • Inshore Only
  • Inshore
Water Column Position
  • Near Bottom
  • Mid Water
  • Water column only
  • Reef associated (reef + edges-water column & soft bottom)
  • Water column
FishBase Habitat
  • Reef Associated
Feeding Group
  • Planktivore
  • Data
  • Data
  • Pelagic fish larvae
  • Zooplankton
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • East Pacific endemic
  • Tropical Eastern Pacific (TEP) endemic
Regional Endemism
  • Galapagos Islands endemic
  • Island (s)
  • Island (s) only
  • TEP oceanic island (s) endemic
  • All species
  • TEP endemic
  • Resident
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Vulnerable
  • Listed
  • Not listed
Length Max
  • 30
Depth Range Min
  • 3
Depth Range Max
  • 20