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Species: Dajaus monticola, Mountain mullet

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top of head convex
no fatty eyelid
D2 9
scales with dark edges, fins yellow
mouth opens at front
A II, 10
soft D & A - scales on bases

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Dajaus monticola (Bancroft in Griffith & Smith, 1834)

Mountain mullet

Body robust; convex between eyes; eyes without transparent fatty eyelid; mouth small, opens at front; top and bottom lips thick; without fleshy knob at tip of lower lips; teeth strong, imbedded in jawbones, in bands inside lips, those on inner row on top jaw with 2-3 points, those on lower jaw with 1-2 points; tooth bands on lower jaws almost meet in center; teeth on sides (and front) of roof of mouth; two short, widely spaced dorsal fins, IV slender spines + 9 rays; anal fin II, 10; pectorals high on body, 1st ray hard; pelvics inserted behind pectoral base; weakly forked tail; scales very rough, 40 (38-45) lateral scales; second dorsal and anal fins only with a few small scales on front base; no lateral line.

Olive above, white below, dark scale edges form crisscross lines on upper body; fins yellowish; upper 1/3 of pectoral base dark; juveniles with dark blotch on pectoral base and dark spot on base of tail fin.

Size: to 36 cm.

Habitat: adults in rivers, juveniles at river mouths; adults entering sea to spawn, where larvae develop.

Depth: 0-5 m.

A new world, tropical to warm temperate species; N Carolina to the Orinoco.

  

Note: Genetic data show that this probably comprises 3 species; 2 West Atlantic and 1 East Pacific.


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Salinity
  • Brackish
  • Freshwater
  • Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Near Surface
  • Surface
  • Bottom + water column
  • Bottom
  • Near Bottom
Habitat
  • Water column
  • Freshwater
  • Estuary
  • Beach
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Omnivore
  • Data
Diet
  • Benthic microalgae
  • Insects
  • Mobile benthic gastropods/bivalves
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Pelagic
  • Pelagic larva
  • Data
Global Endemism
  • Greater Caribbean non-endemic
  • Transisthmian (East Pacific + Atlantic of Central America)
  • New world (East Pacific + West Atlantic)
Regional Endemism
  • Continent + Island (s)
  • Island (s)
  • Continent
  • GC non-endemic
Residency
  • Resident
Climate Zone
  • Tropical (10-23N, Nicaragua / Cuba)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Equatorial (0-10N, Costa Rica / Venezuela)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 36
Depth Range Min
  • 0
Depth Range Max
  • 5