Shorefishes of the Greater Caribbean online information system

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Species: Phaenomonas longissima, Short-maned sand-eel, Shortmaned snake eel

All Families:   All Genera:   All Species:

very elongate; tail <1/3 TL
tiny eye
D very short: head & front body
groove under snout
front nostril tubular

Phaenomonas longissima (Cadenet & Marchal, 1963)

Short-maned sand-eel

Body extremely elongate, (body depth  0.7-1.0% TL),  cylindrical; tail very short, 23-33% of TL;  head 3.8-4.3% TL; the only fin present is a short-based dorsal originating on head and ending  ~3 head lengths behind gill opening; snout overhanging, blunt, groove  underneath that  is bordered by folds that appear as papillae between front nostrils; eye minute, imbedded, over rear ¼ of mouth; front nostril tubular; rear nostril under edge of top lip, covered by a flap, opens inside mouth under eye; lips without barbells; teeth small, strong, stout, conical, in single row on jaws, largest at front, pointing back, 7-9 on top jaw, 7-12 on lower jaw; 4-6 teeth on vomer; gill openings low on side, crescentic, gill pouch slightly puffed up; tip of tail a hard conical point.

Head and body rose colored, darker at front.

Size: 56 cm.

Habitat: burrows in mud and sand bottoms.

Depth: 0-60 m.

Brazil, the mid-Atlantic islands and the NW Caribbean.

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  • Marine Only
  • Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom only
  • Sand & gravel
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
FishBase Habitat
  • Demersal
Feeding Group
  • Carnivore
  • Data
  • Data
  • Mobile benthic crustacea (shrimps/crabs)
  • Mobile benthic worms
  • Mobile benthic gastropods/bivalves
Egg Type
  • Data
  • Pelagic
  • Pelagic larva
Global Endemism
  • Transatlantic (East+West Atlantic)
  • Greater Caribbean non-endemic
  • All species.
Regional Endemism
  • GC non-endemic
  • Also in Brazil
  • Extends South of GC
  • All species..
  • Resident
Climate Zone
  • Equatorial (0-10N, Costa Rica / Venezuela)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
  • Tropical (10-23N, Nicaragua / Cuba)
IUCN Red List
  • Listed
  • Least concern
  • Not listed
Depth Range Min
  • 0
Depth Range Max
  • 60
Length Max
  • 56