Shorefishes of the Eastern Pacific online information system

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Species: Lupinoblennius vinctus, Atlantic mangrove Blenny

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eye cirrus: 1, leaflike
under eye: dark Y bar
D: flap on 1st spine, elongate blotch at front in male
body - 2 rows ~ 8 blotches
both jaws: 1 rear canine
gill openings extend under throat

Lupinoblennius vinctus (Poey, 1867)

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.

A widespread Caribbean species; evidently 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 Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
  • Reef (rock/coral/oyster)
  • Estuary
  • Reef and soft bottom
  • Mangrove
  • Soft bottom (mud/sand/gravel/beach/estuary/mangrove/seagrass)
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Freshwater
FishBase Habitat
  • Demersal
Feeding Group
  • No Data
  • Omnivore
  • No Data
  • Detritus
  • Mobile benthic crustacea (shrimps/crabs)
  • Benthic microalgae
Egg Type
  • No data
  • Pelagic larva
  • Benthic
Global Endemism
  • All species
  • Exotic (Introduced)
  • TEP non-endemic
Regional Endemism
  • Tropical Eastern Pacific (TEP) non-endemic
  • Eastern Pacific non-endemic
  • All species
  • Continent only
  • Continent
  • Vagrant
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Near threatened
  • Listed
  • Not listed
Depth Range Min
  • 0
Depth Range Max
  • 5
Length Max
  • 3.7