Shorefishes of the Eastern Pacific online information system

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Species: Canthigaster amboinensis, Ambon sharpnose-puffer, Spider-eye sharpnose-puffer

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head: dense blue lines
body: dense blue spots

Canthigaster amboinensis (Bleeker, 1865)

Ambon Sharpnose-puffer, Spider-eye Sharpnose-puffer

Robust, slightly compressed, inflatable body; head large, blunt; snout long and pointed; 1 pair of small hole-like nostrils; nape with crest between eyes and dorsal fin; eyes high on sides of head; jaws are a small beak composed of 4 fused heavy powerful teeth with a central suture on each jaw; a slit-like gill opening in front of the pectoral fin base; a single short- based dorsal fin at rear of body; a similar-shaped anal fin below the dorsal; dorsal 11-12 rays; anal 10-11 rays; pectoral 16-17 rays; no pelvic fins; no spines in the fins; tail fin rounded to bluntly straight, with 10 main rays; tough scaleless skin, head and body with scattered tiny spinules, no fleshy skin flaps.

Brown above, shading to white below; body and base of tail with small blue spots, with admixed brown spots on lower sides; head with fine, close blue lines across snout and radiating from eye, mixed with dense blue spots and lines on cheek and opercle.

Size: 15 cm.

Habitat: reefs.

Depth: 2-15 m.

Indo-Pacific; vagrant at the Galapagos.


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Salinity
  • Marine Only
  • Marine
Inshore/Offshore
  • Inshore
  • Inshore Only
Water Column Position
  • Bottom
  • Bottom only
Habitat
  • Reef associated (reef + edges-water column & soft bottom)
  • Rocks
  • Reef only
  • Reef (rock/coral/oyster)
  • Corals
FishBase Habitat
  • Reef Associated
Feeding Group
  • Corallivore
  • Data
  • Omnivore
Diet
  • Sessile crustacea
  • Benthic microalgae
  • Soft corals/hydroids
  • Data
  • Sea-stars/cucumbers/urchins
  • Sessile molluscs
  • Sponges/seasquirts/bryozoa
  • Sessile worms
  • Mobile benthic worms
Egg Type
  • Benthic
  • Pelagic larva
  • No data
Global Endemism
  • All species
  • "Transpacific" (East + Central &/or West Pacific)
  • TEP non-endemic
  • All Pacific (West + Central + East)
  • Indo-Pacific only (Indian + Pacific Oceans)
Regional Endemism
  • All species
  • Island (s)
  • Island (s) only
  • Eastern Pacific non-endemic
  • Tropical Eastern Pacific (TEP) non-endemic
Residency
  • Vagrant
Climate Zone
  • Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
IUCN Red List
  • Least concern
  • Listed
CITES
  • Not listed
Depth Range Min
  • 2
Depth Range Max
  • 15
Length Max
  • 15