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Evermannia panamensis Gilbert and Starks, 1904
PANAMA GOBY
Life   Vertebrata   Fish   Gobiidae   Evermannia

Evermannia panamensis
© Copyright Ross Robertson, 2006 · 12
Evermannia panamensis

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Overview
Main identification features
  • lower head and belly dark dots
  • 1st dorsal fin iv
  • female: tail fin and anal fin grey + white edges
  • shoulder: 1 long flap
  • male: dorsal fin and tail fin yellow and black, anal fin black
Body slender, tapers only a little towards rear; head long (31% of standard length), depressed, profile gently convex, with indentation in front of eye; one pore between eyes, papillae on cheek and operculum; eyes small (15% of head length), close together (less than eye diameter apart); mouth large, top jaw extends past eye by ~ 1 eye diameter; teeth minute, slender, slightly curved, outer series slightly enlarged, in a narrow band on each jaw; 1 long flexible skin flap on shoulder opposite 4th-6th pectoral ray (counting from bottom); scales - present but few, minute, smooth, imbedded, non-overlapping, on tail fin base; papillae on cheek and opercle; dorsal IV,16, 1st spine filamentous in male, 4th spine wide-set; anal 14 rays, origin under 3rd-4th dorsal rays; dorsal and anal rays reach past base of tail fin; pectoral ~19 rays; tail elongate, ~25% of standard length, pointed.

Male: blue-brown; head, chest and belly heavily dotted with black; irregular dark chevrons on sides; first dorsal and inner half of second dorsal blue-grey, outer half of second dorsal yellowish; tail fin with blue-grey base, top half of fin yellowish, lower half blackish; anal fin blue-grey with a black band along the base. Female - light olive, upper head and body finely mottled with brown; lower head, chest and belly with dense dark dots; dark chevrons along side; dorsal fin as in male; tail and anal fins dark blue-grey, with white margins.

Size: 4.5 cm.

Habitat: soft bottom tide pools.

Depth: 0-5 m.

El Salvador to Panama.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo).
Depth Range Max: 5 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves; mobile benthic worms.
Eastern Pacific Range: Northern limit=14; Southern limit=8; Western limit=-90; Eastern limit=-79; Latitudinal range=6; Longitudinal range=11.
Egg Type: Benthic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: Estuary; 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: 4.5 cm.
Regional Endemism: Continent; Continent only; TEP endemic; Continental TEP endemic; Panamic province endemic; All species.
Residency: Resident.
Salinity: Brackish; Marine.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Gilbert , C.H. and Starks, E.C., 1904., The fishes of Panama Bay., Mem. Calif. Acad.Sci., 4:1-304.
  • 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.
  • Meek , S.E. and Hildebrand, S.F., 1928., The marine fishes of Panama. Part III., Field Mus. Nat. Hist., Zool. Ser. Publ., XV:709-1045.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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Evermannia panamensis

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Evermannia panamensis Gilbert & Starks , 1904

Upload your photos  and  videos
Pictures | Google image Image of Evermannia panamensis Evermannia panamensis
Male picture by Robertson, R.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Gobiidae (Gobies) > Gobiinae
Etymology: Evermannia: From Evermann, 1902, researcher about fauna (Ref. 45335 ) .  More on authors: Gilbert & Starks .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Central Pacific: known from the holotype taken from Panama Bay.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Hoese, D.F. , 1995. Gobiidae. Gobios, chanquetes y guasetas. p. 1129-1135. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9304 )

IUCN Red List Status (Ref. 120744 )

  Data deficient (DD)  ; Date assessed: 22 May 2007

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




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Estimates based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00589 (0.00267 - 0.01297), b=3.10 (2.91 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.3   ±0.3 se; Based on size and trophs of closest relatives Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low vulnerability (16 of 100) .

Entered by Garilao, Cristina V. Modified by Reyes, Rodolfo B. Fish Forum
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