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Overview |
Main identification features
- dark + white spots/ocelli
- c: white spots
Elongate, oval to rounded disc that is about as wide as long; electric organ beside eye, originating just before front of eye; pectorals slightly overlapping front of pelvic fins; tail shorter than disc; spiracles without papillae on rims; 1 pair of nasal openings; second dorsal fin usually slightly larger than first; lateral folds on tail originate under first dorsal fin; tail fin angular, relatively tall, rear edge ~straight.
Upper surface red-brown with numerous small creamy white round to oval spots and/or pale-centered ocelli that are not fused into irregular blotches, most of these spots may be lost in large specimens; dorsal and tail fins with white spots; lower surface cream, with a light brown edge in larger specimens.
Size: 36 cm.
Habitat: found on soft bottoms.
Depth: 5-33 m.
Known only from southern Colombia.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 33 m.
Depth Range Min: 5 m.
Diet: bony fishes; mobile benthic worms.
Eastern Pacific Range: Northern limit=5; Southern limit=2; Western limit=-79; Eastern limit=-78; Latitudinal range=3; Longitudinal range=1.
Egg Type: Live birth; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only; Sand & gravel.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 36 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;
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Names |
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Links to other sites |
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References |
- Carvalho, M. R., 2001., A new species of electric ray, Narcine leoparda, from the tropical eastern Pacific Ocean (Chondrichthyes: Torpediniformes: Narcinidae)., Proc. Biol. Soc. Wash., 114(3):561-573.
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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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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Narcine&speciesname=leoparda ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Narcine&speciesname=leoparda http://192.134.151.83/Summary/speciesSummary.php?genusname=Narcine&speciesname=leoparda ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Narcine&speciesname=leoparda https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Narcine&speciesname=leoparda ---> https://fishbase.mnhn.fr/summary/Narcine-leoparda.html
Narcine leoparda, Leopard numbfish
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Elasmobranchii (sharks and rays) >
Torpediniformes
(Electric rays) >
Narcinidae
(Numbfishes)
Etymology:
Narcine:
Greek, narke = numbness (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 10 - 35 m (Ref.
116153
). Tropical
Southeast Pacific: Colombia and Ecuador.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 16.5 cm TL male/unsexed; (Ref.
116153
); 33.0 cm TL (female); max. published weight: 54.90 g (Ref.
116153
); max. published weight: 54.90 g
Collected from shallow and sandy bottom area. The 33 cm TL pregnant female has a total of 12 embryos with 2 females and 10 males, measuring between 6.2 and 6.8 cm TL (Ref.
116153
). Males mature at ca. 18 cm TL (Ref.
114953
).
Life cycle and mating behavior
Maturity
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Reproduction
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Spawning
|
Eggs
|
Fecundity
|
Larvae
Eschmeyer, W.N. (ed.)
, 2003. Catalog of fishes. Updated database version of March 2003. Catalog databases as made available to FishBase in March 2003. (Ref.
46206
)
IUCN Red List Status (Ref.
130435
)
Vulnerable (VU)
(A2d); Date assessed:
24 February 2020
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201
): 26.8 - 27.3, mean 27.1 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00476 - 0.02897), b=2.88 (2.66 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.1 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (23 of 100).
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Updated: 2024-03-29 15:39:20 gmt
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