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Species: Gambusia lemaitrei, Totumo gambusia

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faint stripe along flank
fins golden
D7
A 9
Colombia
male: pectoral 5th ray scalloped, sex organ - no palp, + hooks above tip
lateral scales 33

Gambusia lemaitrei Fowler, 1950

Totumo gambusia

Head and body moderately robust, moderately compressed at rear; head depressed; front nostril not tubular; covering of eye not continuous with skin of head; mouth small, opens at front, slightly oblique, lower jaw slightly projecting, top jaw protractile; jaw teeth consist of an outer row of large backward curved teeth, and several rows of small pointed teeth; 1 dorsal fin with short base, at rear of body, 7 rays; anal fin origin distinctly before dorsal fin origin in both sexes, female with 9 rays; pelvic origin well behind pectoral base, near anal fin, tips of fins of males not swollen; pectorals high on flank, modified in male, with 5th ray scalloped near its tip; 3rd anal ray unbranched; anal fin modified in male to form an elongate sex organ, tip of that organ curved upwards, with forward-ward pointing hooks near top of tip, without a fleshy palp; tail base relatively narrow; tail fin rounded; scales smooth and relatively large; 33 in lateral series; head very scaly, 1 row along cheek.

Olive brown, scales on upper body with dark edges; top of head dark brown; an inconspicuous dark line from shoulder to mid tail base; rear lower side of abdomen of female with distinct pale area; fins golden, dorsal and tail fins with small blackish spots on membranes, those on tail in 2-3 vertical rows.

Reaches 4.5 cm.

Fresh to brackish water, lagoon habitats.

Depth range: 0-2 m.

Known only from Totumo lagoon on coastal Colombia.


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Salinity
  • Brackish
  • Freshwater
  • Non Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
Habitat
  • Estuary
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Freshwater
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Carnivore
  • Detritivore
Diet
  • Detritus
  • Insects
Egg Type
  • Live birth
  • No pelagic phase
  • No pelagic larva
  • No data
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean endemic
Regional Endemism
  • GC endemic
  • Continent only
  • Continent
  • Caribbean endemic
Residency
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Depth Range Max
  • 2
Depth Range Min
  • 0
Length Max
  • 4.5