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Species: Bascanichthys cylindricus, Round sand-eel

All Families:   All Genera:   All Species:

brown above
D whitish
tail < 1/2 TL
tip lower jaw before base front nostril
pectoral: fin length > base length

Bascanichthys cylindricus Meek & Hildebrand, 1923

Round sand-eel

Body elongate; head and trunk 52-57% of TL; front nostril tubular, rear nostril opens in mouth; head skin rough; eye small; snout short, blunt, grooved on underside; tip of lower jaw before base of front nostrils; jaw teeth small, conical, in 1 row on jaws, 2 rows on roof of mouth; teeth between top jaws exposed when mouth is closed;  gill opening crescent-like, at lower side;  dorsal and anal fins low; dorsal origin on head before gill opening; tip of tail hard and finless; pectoral fin present as a small flap behind the upper half of the gill opening, its length slightly greater than width of its base.

Brown grading to tan on ventral part; dorsal fin whitish or tan; head pores not in white spots.

Size: reaches 88 cm.

Habitat: sandy bottoms.

Depth: 0-30 m.

Mexico to Ecuador.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Sand & gravel
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • No Data
Diet
  • No Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • No data
  • Pelagic larva
Global Endemism
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
  • All species
Regional Endemism
  • TEP endemic
  • Continental TEP endemic
  • Continent
  • Mexican + Panamic provinces endemic
  • Continent only
  • All species
Residency
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Length Max
  • 88
Depth Range Min
  • 0
Depth Range Max
  • 30