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Species: Fundulus bermudae, Bermuda killifish

All Families:   All Genera:   All Species:

D 13-14
male: ~9 bars of pale spots, C&D dark + pale spots, D ocellus
gill rakers 10-13
pectoral 18
A 12

Fundulus bermudae Gunther, 1874

Bermuda killifish

Body elongate, robust, compressed at rear; head flattened above, with straight upper profile; front nostril not tubular; cover of eye not continuous with head skin; mouth small, oblique, protrusible, top jaw twisted, lower jaw projecting, chin with 3-10 pores; jaws with multiseried teeth; usually 10-13 (9-16) gill rakers; no spines in fins; dorsal fin short based, usually 13-14 (11-15) rays, its origin over anal fin origin; anal fin with 3rd fin ray branched, 12-13 (11-14) rays; pectoral 18 (17-20) rays, with narrow base, rounded, inserted low on side; pelvics inserted well behind pectoral base; tail fin rounded; small smooth scales; lateral line reduced to a series of pits along side of body; scales before dorsal fin 12-15 (11-17); scales before eye absent.

Grey brown above, paler below; scales outlined in dark pigment. Males with pale spots, some of which form a series of ~9 thin irregular pale bars; pelvics and anal fin dark, with elongate clear blotches and pale outer margins; tail fin dark, with pale spots on its base, outer margin clear; dorsal fin dark, with pale spots, a dark ocellus at the rear base, pale outer margin.

Reaches 9 cm.

Freshwater and mangrove habitats.

Depth: 0-1 m.

Known only from Mangrove Lake on Bermuda.

Note: closely related to F. heteroclitus.


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  • Brackish
  • Freshwater
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Estuary
  • Mangrove
  • Freshwater
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Omnivore
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic gastropods/bivalves
  • Insects
  • Data
  • Benthic microalgae
Egg Type
  • Data
  • Benthic
  • No pelagic larva
  • No pelagic phase
Global Endemism
  • All species.
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • Bermuda endemic
  • GC endemic
  • Island (s)
  • Island (s) only
  • All species..
  • Resident
Climate Zone
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Least concern
  • Listed
  • Not listed
Length Max
  • 9
Depth Range Min
  • 0
Depth Range Max
  • 1