Shorefishes of the Greater Caribbean online information system

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Species: Albula nemoptera, Shafted bonefish, Threadfin bonefish

All Families:   All Genera:   All Species:

mouth reaches under eye
D & A: long filament
LL 76-84
throat rays 13-15

Albula nemoptera (Fowler, 1911)

Shafted or Threadfin bonefish

Body elongate, fusiform; overhanging snout strongly conical, projects well beyond mouth; mouth relatively long, reaches to below front edge of eye; very small teeth in bands at front of jaws, patches of small molariform teeth on the roof and floor of the mouth; branchiostegal rays under throat 13-15;  fins without spines; dorsal rays 21 (rarely 20); a prolonged, filamentous last ray on the dorsal and anal fins (most pronounced on the dorsal fin); anal rays 8; pectoral rays 16-18; pectoral fins low on the body; pelvic fins on the abdomen, under the dorsal fin, well behind pectorals, 9; tail fin deeply forked; lateral line scales 80-82 (76-84); scales above lateral line 9-10, below lateral line 7-8, around tail base 16-17, before dorsal fin 17-22; lateral line straight, full length of body.

Overall silvery; a yellowish wash on pelvic and pectoral fins; tail fin dusky.

Size: reaches 60 cm.

Habitat: found mainly in estuaries.

Depth: 0-84 m.

Belize south to Brazil.

Note: the east Pacific sister species is Albula pacifica.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom + water column
  • Near Bottom
Habitat
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Beach
  • Sand & gravel
  • Water column
  • Soft bottom only
  • Estuary
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
Diet
  • Mobile benthic gastropods/bivalves
  • Octopus/squid/cuttlefish
  • Data
  • Bony fishes
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Data
  • Pelagic larva
  • Pelagic
Global Endemism
  • All species.
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Extends South of GC
  • GC non-endemic
  • Continental primarily
  • Continent
  • Continent + Island (s)
  • All species..
  • Also in Brazil
  • Island (s)
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Listed
  • Data deficient
CITES
  • Not listed
Length Max
  • 60
Depth Range Min
  • 0
Depth Range Max
  • 84