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- FishBase
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espaņol |
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Overview |
Main identification features
- narrow head;very small eye
- no filaments on head; tentacles over eye
- scales to rear nape
- top back - ~6 saddles
Walker's toadfish
Head depressed, narrow; eyes very small (2.8% of standard length), 2-3 short, stubby tentacles over each one; no filaments between eyes or on snout; 2 spines on upper opercle; 2 spines below and behind opercular spines; teeth pointed; 46 pores on each lateral line; dorsal rays III,28; anal 25 rays; pectoral 19-20 rays; body covered with small imbedded scales; scales on nape extend only a little forwards, to halfway between dorsal fin and lateral line canal on rear of head.
Body medium dark, head paler; ~6 dark blotches of varying sizes along top of back and tail base, some extending onto base of dorsal fin; fins pale, dorsal and anal with dark margins.
Size: 21 cm.
Habitat: soft bottoms.
Depth: 3-30 m.
The Gulf of Panama.
Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 30 m.
Depth Range Min: 3 m.
Diet: mobile benthic gastropods/bivalves; bony fishes; sea-stars/cucumbers/urchins; mobile benthic crustacea (shrimps/crabs); octopus/squid/cuttlefish.
Eastern Pacific Range: Northern limit=9; Southern limit=8; Western limit=-81; Eastern limit=-79; Latitudinal range=1; Longitudinal range=2.
Egg Type: Benthic; 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; Sand & gravel; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 21 cm.
Regional Endemism: Continent; Continent only; 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 |
- Collette , B.B. and Russo, J.L., 1981., A revision of the scaly toadfishes, genus Batrachoides, with descriptions of two new species from the eastern Pacific., Bull. Mar. Sci., 31:197-233.
- Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
- 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.
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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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Top | See original
http://www.fishbase.org/Summary/speciesSummary.php?genusname=Batrachoides&speciesname=walkeri ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Batrachoides&speciesname=walkeri
http://192.134.151.83/Summary/speciesSummary.php?genusname=Batrachoides&speciesname=walkeri ---> https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Batrachoides&speciesname=walkeri
&pull 20q v5.145 20180528: Error 500 Can't locate object method "new" via package "LWP::Protocol::https::Socket" https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Batrachoides&speciesname=walkeri |
Updated: 2024-04-19 20:21:36 gmt
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