Shorefishes of the Eastern Pacific online information system

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Species: Aulorhynchus flavidus, The Tubesnout

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elongate, ~ cylindrical
D XXIV-XXVII isolated short spines
D2 & A small, at rear
mouth small, at end long, flexible tube
no scales

Aulorhynchus flavidus Gill, 1861

Tubesnout

Body elongate, slender, almost cylindrical; tail base very slender, depressed; head large, elongate; mouth small, horizontal, at the end of a long, flexible tubular snout that is ~1/2 head length; teeth in a single row on both jaws; roof of mouth toothless; nostril with raised rim, well before eye; dorsal fin consists of a set of XXIV-XXVII isolated, very short spines beginning above pectoral fin, soft dorsal (9-10) over and similar in size & form to anal fin (I, 9) both fins towards rear of body, oblong, with raised front; tail fin small, forked; pectoral fins (i,18,i) triangular, with indented rear edge; pelvics small, inserted just behind pectoral base, I,5; no scales; lateral line complete, a series of short canals.

Pale mottled brown/olive green/yellow brown or blue above, creamy white below; a bright silver patch covering lower head behind eye and front of belly, a dark stripe above that extending along snout; breeding males have blue snouts, blue spots & red pelvics.

Reaches 18.8 cm.

Lives near bottom in rocky, well vegetated shorelines.

Depth range: 0-30 m.

Alaska to northern Baja; vagrant at Clipperton.


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Salinity
  • Marine
  • Marine Only
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom + water column
  • Near Bottom
Habitat
  • Corals
  • Reef (rock/coral/oyster)
  • Water column
  • Submerged vegetation
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
FishBase Habitat
  • Reef Associated
Feeding Group
  • No Data
  • Planktivore
Diet
  • Pelagic fish larvae
  • Data
  • Pelagic crustacea
Egg Type
  • Data
  • Benthic
  • Pelagic larva
Global Endemism
  • East Pacific endemic
  • TEP non-endemic
Regional Endemism
  • Island (s) only
  • Island (s)
  • Tropical Eastern Pacific (TEP) non-endemic
Residency
  • Vagrant
Climate Zone
  • North Temperate (Californian Province &/or Northern Gulf of California)
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Not evaluated / Listed
CITES
  • Not listed
Length Max
  • 18.8
Depth Range Min
  • 0
Depth Range Max
  • 30