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Species: Pimelodus blochii, Bloch’s catfish

All Families:   All Genera:   All Species:

eye large, not low
D all before A, strong spine
adipose D ~= A
roof mouth: no teeth
A short base

Pimelodus blochii Valenciennes in Cuvier & Valenciennes, 1840

Bloch’s catfish

Body elongate, rounded; snout and head depressed; head with a bony shield; front and rear nostrils well separated; eye large (~1/2 snout length), on upper side of head; rear nostril without a flap along its front edge; mouth at front or under snout; no teeth on sides of roof of mouth; 3 pairs of barbels; 1st dorsal fin large, with short base, 1st spine short, 2nd spine long and pungent, base of fin entirely before anal fin; large skin flap 2nd dorsal fin present; anal fin base short, not longer than 2nd dorsal base; pectoral and dorsal spines present; pectoral fin very low on side; lateral line complete; scaleless.

Grey-brown above, silvery below; fins grey; body with a yellowish case; pelvics and anal fin yellowish.

Reaches 35 cm.

Lives in fresh and brackish water; in river mouths and sometimes estuaries.

Depth range: 1-30 m.

Gulf of Paria (Venezuela) to the Amazon.

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  • Brackish
  • Freshwater
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Estuary
  • Mud
  • Freshwater
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Omnivore
  • Data
  • Insects
  • Terrestrial plants
  • Data
  • Detritus
  • Bony fishes
Egg Type
  • Benthic
  • No pelagic larva
  • No pelagic phase
  • Data
Global Endemism
  • Greater Caribbean non-endemic
  • All species.
  • West Atlantic Endemic
Regional Endemism
  • Continent only
  • Continent
  • All species..
  • Also in Brazil
  • Extends South of GC
  • GC non-endemic
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Not evaluated / Listed
  • Not listed
Length Max
  • 35
Depth Range Min
  • 1
Depth Range Max
  • 30