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Species: Bascanichthys bascanoides, Sooty sand-eel

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dark above, pale below
fins pale
pale line along D base
tail ~ 1/2 TL
tip lower jaw behind base front nostril
pectoral: fin length = base length

Bascanichthys bascanoides Osborn & Nichols, 1916

Sooty sand-eel

Head, trunk & tail rounded; head and trunk about equal to tail length; eye small (~ 7% of head length); front nostril tubular; tip of lower jaw behind base of front nostril; snout short, blunt, grooved on underside; jaw teeth small, conical, in 1 row; gill openings vertical, length = snout, distance between bases of openings slightly < opening length; pectoral fin a small, narrow-based skin flap opposite upper half of gill opening, length of pectoral fin = width of its base; dorsal and anal fins low; dorsal origin midway between gill opening & eye; tip of tail finless, hard, pointed.

Preserved fish: Red-brown above, fading to yellowish on belly; snout & lower jaw dusky; dorsal & anal pale, a pale streak along entire base of dorsal fin; lateral line pores on head not in white spots.

Size: 77 cm.

Habitat: sandy bottoms.

Depth: 0-20 m.

Southern Baja and the central Gulf of California; Cocos Is.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
  • No Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Bony fishes
Egg Type
  • No data
  • Pelagic
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • All species
  • East Pacific endemic
Regional Endemism
  • Continent + Island (s)
  • Continent
  • Island (s)
  • TEP endemic
  • All species
  • Resident
Climate Zone
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 77
Depth Range Min
  • 0
Depth Range Max
  • 20