Shorefishes of the Eastern Pacific online information system

Español  Contact

Species: Clarkichthys bilineatus, Flagtail worm-goby, Flagtail wormfish

All Families:   All Genera:   All Species:

yellowish + 2 black stripes

Next

Previous

Clarkichthys bilineatus (Clark, 1936)

 
 

Flagtail wormfish,     Flagtail worm-goby

 

Body short, stubby, eel-like, with depth ~ 8% of SL; tail (without fin) shorter than head and body; teeth in 2 rows, chisel-like; nostrils tubular; lips not broad and fleshy; gill opening a small tube at pectoral base; dorsal fin origin over pectoral, first 2 spines short, close together, XVII-XIX, 28-32; anal fin II, 28-31; pectoral 11-12 rays; tail 17 segmented rays; pelvic 1, 3; dorsal and anal fins not united with tail fin; scales well separated, embedded, most abundant on front of body and along lateral stripe, sparse elsewhere on head and belly; fins scaleless

White to yellowish with 2 broad black stripes along head and body: one along midback from snout to top of tail, the other along mid side extending from tip of mouth, covering both jaws, passing under eye to upper operculum and thence middle of tail fin; top and bottom edges of tail black.

Size: 6.5 cm.

Habitat: high-salinity tidepools, and rocky and coral habitat.

Depth: 0-10 m.

The SE corner of the Gulf of Mexico to Ecuador, and the Galapagos and Cocos.


High Resolution Map Download

Species Data Create Report Export as Word File Export as Excel File
Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore Only
  • Inshore
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
  • Reef (rock/coral/oyster)
  • Reef only
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Carnivore
Diet
  • Mobile benthic crustacea (shrimps/crabs)
  • Zooplankton
  • No Data
Egg Type
  • Benthic
  • No data
  • Pelagic larva
Global Endemism
  • All species
  • Tropical Eastern Pacific (TEP) endemic
  • East Pacific endemic
Regional Endemism
  • All species
  • Continent + Island (s)
  • TEP endemic
  • Continent
  • Island (s)
Residency
  • Resident
Climate Zone
  • Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
  • Northern Subtropical (Cortez Province + Sinaloan Gap)
IUCN Red List
  • Data deficient
  • Listed
CITES
  • Not listed
Length Max
  • 6.5
Depth Range Min
  • 0
Depth Range Max
  • 10