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Species: Bascanichthys inopinatus, Unexpected eel

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dark above, abruptly pale below
LL pores: dark at front, in pale spots at rear
pectoral base 36-37% gill opening

Bascanichthys inopinatus McCosker, Böhlke & Böhlke, 1989

Unexpected eel

Body very elongate; head and trunk 52-57% of TL; tip of tail finless, hard, blunt; head skin rough; eye small; snout short, blunt, grooved on underside; front nostril tubular, rear nostril opens in mouth; jaw teeth small, conical, in 1 row on jaws, 2 rows on roof of mouth, those between top jaws exposed when mouth is closed; gill opening crescent-like, at lower side; dorsal and anal fins low; dorsal origin before gill opening; pectoral fin small, narrow based, width 36-37% of gill opening; lateral line complete, lines of each side of head connected by 2 canals with across top of head.

Body sharply bicolored; brown above, pale below lateral line, with some pigment below mid-side; head dark; fins pale, scattered dark pigment along base of dorsal fin; lateral line pores dark at front, in pale spots at rear.

Reaches 81.3 cm.

Sandy bottoms.

Depth: 40 m.

Known only from Puerto Rico.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Sand & gravel
  • Soft bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Data
Egg Type
  • Pelagic
  • Data
  • Pelagic larva
Global Endemism
  • All species.
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • All species..
  • Island (s)
  • Antilles endemic
  • GC endemic
  • Island (s) only
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Listed
  • Data deficient
  • Not listed
Depth Range Min
Depth Range Max
  • 40
Length Max
  • 81.3