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Species: Aspredinichthys filamentosus, Sevenbarbed banjo

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top jaw barbel not joined to head by membrane
lower jaw & belly: 7 + barbels

Aspredinichthys filamentosus (Valenciennes in Cuvier & Valenciennes, 1840)

Sevenbarbed banjo

Head and front of body broad and flattened; body long, slender, tapering to a whiplike end; a strong bony shield on top of head; tip of snout smooth, without hooked spines; eyes tiny; front and rear nostrils separated by a space >nostril diameter; mouth under head; a pair of barbels (with a small associated barbell) at top lip that lack a membrane joining them to side of head, underside of head and belly with ~7 pairs of barbels; gill opening a tiny slit before pectoral fin base; dorsal fin base short, with a weak spine; no skin flap 2nd dorsal fin; anal fin with a very long base, 50-60 rays; pectoral fin low on side, with a strong lockable spine; no scales.

Dark brown above, pale below; fins dark brown to blackish.

Reaches: 22 cm.

In estuaries and river mouths on mud bottoms.

Depth range: 0-10 m?

The Orinoco to the Amazon, Brazil.


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Salinity
  • Freshwater
  • Non Marine
  • Brackish
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Sand & gravel
  • Mud
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Estuary
  • Freshwater
  • Mangrove
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Carnivore
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Insects
Egg Type
  • No pelagic larva
  • No pelagic phase
  • Data
  • Brooded
Global Endemism
  • Greater Caribbean non-endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent only
  • GC non-endemic
  • Continent
  • Also in Brazil
  • Extends South of GC
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 22
Depth Range Min
  • 0
Depth Range Max
  • 10