Shorefishes of the Greater Caribbean online information system

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Species: Lupinoblennius vinctus, Atlantic Mangrove Blenny, Mangrove Blenny

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eye cirrus a long flap
D: flap on 1st spine, elongate blotch at front in male
body: 2 rows ~8 blotches

Lupinoblennius vinctus (Poey, 1867)

Mangrove Blenny, Atlantic Mangrove Blenny

Body and head compressed; a single unbranched cirrus over eye (larger in male), no cirri on nape or over nostrils; front nostril tubular with short filament, rear nostril a raised rim; jaw teeth in single rows, fixed, bluntly pointed, with a canine tooth at rear of top and bottom jaws, canines larger in males; gill membranes free, forming a transverse flap under throat; dorsal fin XII, a rounded flap in front of upper part of 1st spine, 13-14, without a notch between spiny and soft parts, soft part of fin higher than spiny part; anal II, 14-16, in males the spines and all but the last 2-3 rays have a swollen fleshy tip; some rays of tail fin branched; lateral line in 2 parts, top part from top corner of operculum to under 9th spine, lower part along midline from above origin of anal fin, short (5-8 pores); no scales.

Grey brown; ~ 8 dark-edged square blotches along base of dorsal fin, which tend to connect with dark-edged vertical rectangles on lower body; Y shaped dark bar under eye; male with dark stripe along base of 1st 3 dorsal spines, and a dark stripe near outer margin of membrane between those spines.

Size: reaches 3.7 cm.

Habitat: mangroves and estuaries, entering freshwater.

Depth: 0-5 m.

SE Florida, the SW Gulf of Mexico, Cuba to the S Caribbean; has passed through the Panama Canal and established a population in locks at the Pacific entrance to the canal.

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  • Brackish
  • Freshwater
  • Non Marine
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Soft bottom only
  • Estuary
  • Freshwater
  • Mangrove
FishBase Habitat
  • Demersal
Feeding Group
  • Data
  • Omnivore
  • Data
  • Benthic microalgae
  • Detritus
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Benthic
  • Data
  • Pelagic larva
Global Endemism
  • All species
  • Greater Caribbean endemic
  • West Atlantic Endemic
Regional Endemism
  • Continent
  • Continent + Island (s)
  • GC endemic
  • Island (s)
  • 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
  • Near threatened
  • Not listed
Length Max
  • 3.7
Depth Range Min
  • 0
Depth Range Max
  • 5