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Overview |
Main identification features
- dark blue; fins spotted
- dorsal and anal finsangular
- snout spines less than body spines
- tail base: 1-2 spines
Slender body; large eye; teeth fused into beak with no separation of beak-halves; gill opening a vertical slit before pectoral; dorsal and anal fins on rear of body; no pelvic fins; body and head covered with erectile spines; >20 spines between snout and dorsal fin, none on snout; 2 or more small, fixed spines on top of tail base; spines on snout shorter than those an body; body spines long, slender; short, fixed spine immediately above gill opening; nostril with two-holed tentacle; dorsal 16-18 rays; anal 16-18 rays; pectoral 19-22 rays; dorsal and anal fins of adult curved and pointed.
Medium to dark blue above, shading to white below; top and sides with black or dark blue
Size: 30 cm.
Habitat: oceanic, epipelagic.
Depth: 0-10 m.
Circumtropical; the central Gulf of California to Colombia and the oceanic islands.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos); Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 10 m.
Depth Range Min: 0 m.
Diet: bony fishes; zooplankton; Pelagic crustacea; pelagic fish larvae.
Eastern Pacific Range: Northern limit=29; Southern limit=-2; Western limit=-115; Eastern limit=-78; Latitudinal range=31; Longitudinal range=37.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore; Planktivore.
FishBase Habitat: Pelagic.
Global Endemism: Circumtropical ( Indian + Pacific + Atlantic Oceans); East Pacific + Atlantic (East +/or West); Transisthmian (East Pacific + Atlantic of Central America); East Pacific + all Atlantic (East+West); All Pacific (West + Central + East); TEP non-endemic; "Transpacific" (East + Central &/or West Pacific); All species.
Habitat: Water column.
Inshore Offshore: Offshore; Offshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 30 cm.
Regional Endemism: Island (s); Continent; Continent + Island (s); Tropical Eastern Pacific (TEP) non-endemic; Eastern Pacific non-endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Mid Water; Near Surface; Surface; Water column only;
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Names |
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Links to other sites |
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References |
- Brisout de Barneville,., 1846., Note sur les Diodoniens., Rev. Zool., 1846:136-143.
- Grove , J.S. and Lavenberg, R. J., 1997., The fishes of the Galápagos islands., Stanford University Press:863 pp.
- Leis, J. M., 1978., Systematics and zoogeography of the porcupinefishes (Diodon, Diodontidae, Tetraodontiformes), with comments on egg and larval development., United States Fish Wildlife Service, Fisheries Bulletin, 76:535-567.
- Lopez , M. I. and Bussing, W. A., 1982., Lista provisional de los peces marinos de la Costa Rica., Revista de Biologia Tropical, 30(1):5-26.
- Van der Heiden , A. M. and Findley, L. T., 1988., Lista de los peces marinos del sur de Sinaloa, México., Anales del Centro de Ciencias del Mar y Limnologia de la Universidad Autonoma Nacional de Mexico, 15:209-224.
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Acknowledgements |
I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Diodon&speciesname=eydouxii ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Diodon&speciesname=eydouxii http://52.67.158.155/Summary/speciesSummary.php?genusname=Diodon&speciesname=eydouxii ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Diodon&speciesname=eydouxii https://fishbase.net.br/Summary/speciesSummary.php?genusname=Diodon&speciesname=eydouxii ---> https://fishbase.net.br/summary/Diodon-eydouxii.html
Diodon eydouxii, Pelagic porcupinefish : fisheries
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Diodon eydouxii
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Teleostei (teleosts) >
Tetraodontiformes
(Puffers and filefishes) >
Diodontidae
(Porcupinefishes (burrfishes))
Etymology:
Diodon:
Greek, di = two + Greek, odous = teeth (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-neritic; depth range 1 - ? m (Ref.
58302
). Tropical; 31°N - 37°S, 50°W - 154°W
Circumtropical.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 27.0 cm TL male/unsexed; (Ref.
4423
)
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 16-18;
Anal
spines
: 0;
Anal
soft rays
: 16 - 18. Back and sides blue, with small elongate black spots; fins with spots; dark gular band; belly silvery white (Ref.
4423
).
Pelagic throughout its life history (Ref.
592
,
48637
). A schooling species. Feeds on larger zooplankton and fish larvae (Ref.
9680
,
48637
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Leis, J.M.
, 2001. Diodontidae. Porcupine fishes (burrfishes). p. 3958-3965. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref.
9680
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
06 June 2011
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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Estimates based on models
Preferred temperature (Ref.
123201
): 23.1 - 29.1, mean 28 °C (based on 1936 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.04786 (0.01967 - 0.11644), b=2.82 (2.61 - 3.03), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.7 ±0.51 se; based on food items.
Resilience (Ref.
120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (17 of 100).
Price category (Ref.
80766
):
Unknown
.
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Page last modified by :
mrius-barile
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Updated: 2024-04-24 02:39:25 gmt
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