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Species: Chasmodes bosquianus, Striped blenny

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body: dense dark wavy stripes
operculum: dense dark dots
top jaw short, ~15% SL
D blue spot at front, then long pale streak
fins heavily mottled, + pale spots
no skin flaps on sides of chin
lower teeth pointed
usually 12 gill rakers

Chasmodes bosquianus (Lacepede, 1800)

Striped blenny

Elongate heavy, compressed body; deep pointed head, with an even profile slope from snout to dorsal fin; a single, small cirrus at eye, a filamentous flap at front nostril; top jaw relatively short, usually 14.9 (13-16.5)% of SL; teeth closely packed, slender, curved, no canines, lower jaw teeth with distinctly pointed tips; front sides of lower jaws without prominent skin flaps; gill rakers 12 (11-13); gill openings restricted to sides of body by fusion of gill cover membranes to throat; dorsal fin without a notch between spiny & soft parts, XI, 16-19; anal fin II, 16-20; tail fin with 10-11 segmented rays; pectoral usually 12; fin rays unbranched, except on tail fin; lateral line ends about midbody; no scales.

Olive; operculum densely peppered with dark dots; body with dark wavy stripes and thin pale interspaces, dark lines radiating down from eye; an iridescent blue spot between dorsal spines I-II, an orange stripe bordered below by a dark stripe from that spot to ~spine X; fins heavily mottled, with pale spots.

Reaches 15 cm.

Found in bays and estuaries, usually in brackish water; lives in oyster beds, retreats to deep part of its habitat range during winter.

Depth range: 0-30 m.

New York to Florida.


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Salinity
  • Marine
  • Brackish
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
Habitat
  • Estuary
  • Rocks
  • Reef associated (reef + edges-water column & soft bottom)
  • Reef (rock/coral/oyster)
  • Submerged vegetation
FishBase Habitat
  • Reef Associated
Feeding Group
  • Carnivore
  • Detritivore
  • No Data
Diet
  • Mobile benthic gastropods/bivalves
  • Bony fishes
  • Detritus
  • Mobile benthic worms
  • Mobile benthic crustacea (shrimps/crabs)
Egg Type
  • Benthic
  • Pelagic larva
  • Data
Global Endemism
  • West Atlantic Endemic
  • Greater Caribbean non-endemic
Regional Endemism
  • GC non-endemic
  • Continent
  • Continent only
  • Extends North of GC
Residency
  • Resident
Climate Zone
  • Temperate (>35N)
  • Subtropical (23-35N, Florida / Carolinas / Bermuda)
IUCN Red List
  • Listed
  • Least concern
CITES
  • Not listed
Length Max
  • 15
Depth Range Min
  • 0
Depth Range Max
  • 30