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Species: Chloroscombrus chrysurus, Atlantic Bumper

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very compressed
lower profile very convex
D & A: low, no finlets behind
upper tail base - black blotch

Chloroscombrus chrysurus (Linnaeus, 1766)

Atlantic Bumper

Body ovate, highly compressed, ventral profile more convex than the dorsal profile; mouth small and oblique; dorsal rays VIII+I, 25-28; anal rays II+I, 25-28; no finlets after 2nd dorsal and anal fins; pectoral longer than head, curved; tail base slender; tail strongly forked; lateral line with a pronounced, short anterior arch; 5-15 very weak scutes, (hard spiny scales) on tail base; body obviously scaly.

Body and head dark metallic blue above, silver on sides; a black spot in the upper border of the operculum; a black saddle on the upper part of the tail base; tail yellow.

Size: reaches 33.5 cm.

Habitat: pelagic, forms schools in shallow coastal seas; juveniles in estuaries and mangrove lagoons.

Depth: 0-110 m.

On both sides of the Atlantic; Massachusetts to Uruguay.

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  • Brackish
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Mid Water
  • Near Bottom
  • Near Surface
  • Water column only
  • Water column
  • Estuary
  • Mangrove
  • Reef associated (reef + edges-water column & soft bottom)
FishBase Habitat
  • Pelagic
  • Reef Associated
Feeding Group
  • Carnivore
  • Data
  • Planktivore
  • Data
  • Bony fishes
  • Mobile benthic crustacea (shrimps/crabs)
  • Octopus/squid/cuttlefish
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean non-endemic
  • Transatlantic (East+West Atlantic)
Regional Endemism
  • Also in Brazil
  • Continent
  • Continent + Island (s)
  • Extends N + S of GC
  • Extends North of GC
  • Extends South of GC
  • GC non-endemic
  • Island (s)
  • All species
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Temperate (>35N)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 33.5
Depth Range Min
  • 0
Depth Range Max
  • 110