Species: Diodon eydouxii, Pelagic porcupinefish


top tail base: 2+ spines
many large erectile spines
Diodon eydouxii Brissout de Barneville, 1846
Pelagic porcupinefish
Body slender, inflatable; head wide and blunt; eyes large; nasal organ a flat short tentacle with 2 openings; teeth fused into a strong, parrot-like beak with two plates that lack a front groove, large, opens widely at front; gill opening a vertical slit before pectoral base; pectorals large; fins without spines; no pelvic fins; dorsal fin 16-18 rays; anal 16-18 rays; pectoral 19-22 rays; dorsal and anal fins of adult curved and pointed; body and head covered with numerous long (> eye), erectible, 2-rooted, slender, round spines; > 20 spines between snout and dorsal fin; 10-14 spines between lower jaw and anus; 2 or more small, fixed spines on top of tail base; spines on snout shorter than those an body; a short, fixed spine immediately above gill opening.
Medium to dark blue above, shading to white below; a dark blue bar from eye down and forwards; top and sides with black or dark blue < eye sized spots, mostly at spine bases, but no large dark blotches; round spots on dorsal, tail and pectoral fins; anal dusky.
Size: 30 cm.
Habitat: oceanic, epipelagic.
Depth: 0-10 m.
Circumtropical; throughout the TEP except the Gulf of California.

High Resolution Map Download
- Salinity
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- Marine Only
- Marine
- Inshore/Offshore
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- Offshore Only
- Offshore
- Water Column Position
-
- Surface
- Water column only
- Near Surface
- Mid Water
- Habitat
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- Water column
- FishBase Habitat
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- Pelagic
- Feeding Group
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- Planktivore
- Data
- Carnivore
- Diet
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- Zooplankton
- Pelagic fish larvae
- Pelagic crustacea
- Bony fishes
- Data
- Egg Type
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- Pelagic
- Pelagic larva
- No data
- Global Endemism
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- All Pacific (West + Central + East)
- All species
- East Pacific + Atlantic (East +/or West)
- TEP non-endemic
- East Pacific + all Atlantic (East+West)
- "Transpacific" (East + Central &/or West Pacific)
- Circumtropical ( Indian + Pacific + Atlantic Oceans)
- Transisthmian (East Pacific + Atlantic of Central America)
- Regional Endemism
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- Tropical Eastern Pacific (TEP) non-endemic
- All species
- Continent + Island (s)
- Island (s)
- Eastern Pacific non-endemic
- Continent
- Residency
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- Resident
- Climate Zone
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- Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo)
- Northern Tropical (Mexican Province to Nicaragua + Revillagigedos)
- Northern Subtropical (Cortez Province + Sinaloan Gap)
- North Temperate (Californian Province &/or Northern Gulf of California)
- IUCN Red List
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- Not evaluated / Listed
- CITES
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- Not listed
- Length Max
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- 30
- Depth Range Min
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- 0
- Depth Range Max
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- 10