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Overview |
Main identification features
- top jaw end deep
- dorsal fin 63-73
- lower jaw - rear 3 pores large
- anal fin origin under dorsal fin 23-32
Jewett’s brotula
Body elongate and somewhat compressed; head relatively long (23.8-26.9% of SL) and low (height 13.2-15.8% of SL); mouth large, a little under snout; rear end of top jaw deep; snout rounded; a sharp spine on opercle that has 1 tip; eye relatively large (1.9-2.7% of SL); upper part of preopercle with a pore; 3 rear pores on lower jaw relatively large, almost = rear nostril; gill rakers 13-16; origin of dorsal fin at level of middle of pectoral fins; pelvic fins inserted below rear part of head; dorsal rays 63-73; anal rays 52-62; origin of anal fin under dorsal rays 23-31; pectoral rays 19-22; tail fin rays 16-17; body covered with relatively large overlapping scales, about 110 in midlateral series; patch of cheek scales with 6-7 vertical rows of scales; belly with scales; penis curved, thin, tapering; 2 pairs of large pseudoclaspers associated with penis, outer pair wing-shaped, with a single broad supporter at front, inner pair club-shaped, with a fleshy ridge along inner side, tip strongly expanded, occasionally flattened and with a rear lobe.
Preserved fish pale brown.
Size: reaches 7.7 cm.
Inhabits shallow reefs.
Depth: 0-18 m.
El Salvador to Costa Rica.
Attributes
Cites: Not listed.
Climate Zone: Northern Tropical (Mexican Province to Nicaragua + Revillagigedos).
Depth Range Max: 18 m.
Depth Range Min: 0 m.
Diet: mobile benthic crustacea (shrimps/crabs); bony fishes.
Eastern Pacific Range: Northern limit=14; Southern limit=9; Western limit=-88; Eastern limit=-85; Latitudinal range=5; Longitudinal range=3.
Egg Type: Live birth; Pelagic larva.
Feeding Group: Carnivore.
Global Endemism: East Pacific endemic; Tropical Eastern Pacific (TEP) endemic; All species.
IUCN Red List: Not evaluated / Listed.
Length Max: 7.7 cm.
Regional Endemism: TEP endemic; Continental TEP endemic; Panamic province endemic; Continent only; Continent; All species.
Residency: Resident;
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Links to other sites |
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References |
- Møller, P.R., Schwarzhans, W., Nielsen, J.G., 2005., Review of the American Dinematichthyini (Teleostei: Bythitidae). Part II. Ogilbia., Aqua, 10:133-207.
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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=Ogilbia&speciesname=jewettae ---> http://52.67.158.155/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=jewettae http://52.67.158.155/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=jewettae ---> https://fishbase.net.br/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=jewettae https://fishbase.net.br/Summary/speciesSummary.php?genusname=Ogilbia&speciesname=jewettae ---> https://fishbase.net.br/summary/Ogilbia-jewettae.html
Ogilbia jewettae, Jewett's coralbrotula
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Jewett's coralbrotula
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Ogilbia jewettae
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Møller, P.R.
Teleostei (teleosts) >
Ophidiiformes
(Cusk eels) >
Dinematichthyidae
(Viviparous brotula)
Etymology:
Ogilbia:
Taken from Ogilby, 1887-1915, icthiologist and zoologist (Ref.
45335
)
;
jewettae:
Named for Susan Jewett, USNM.
.
More on authors:
Møller
,
Schwarzhans
&
Nielsen
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 0 - 18 m (Ref.
57883
). Tropical
Eastern Pacific: from El Salvador to Costa Rica.
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 6.8 cm SL male/unsexed; (Ref.
57883
)
Short description
Morphology
|
Morphometrics
Dorsal
soft rays
(total): 73-84;
Anal
soft rays
: 52 - 62;
Vertebrae
: 40 - 44. This species is characterized by the following: vertebrae 11-13 + 29-32 = 40-44, dorsal fin rays 73-84, anal fin rays 52-62; outer pseudoclasper is wingshaped with single broad, curved supporter anteriorly; inner pseudoclasper is club-shaped, tip much expanded, with broad posterior lobe; small fleshy lobe at base of hood adjacent to outer pseudoclasper, penis gradually tapering; opercular spine with single, sharp tip; scale patch on cheeks with 6-7 vertical scale rows; otolith elongate, length: height ratio 2.4 to 2.6 (Ref.
57883
).
Known from rocky bottoms, including tide pools (Ref.
57883
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Møller, P.R., W. Schwarzhans and J.G. Nielsen
, 2005. Review of the American Dinematichthyini (Teleostei: Bythitidae). Part II.
Ogilbia
. aqua, J. Ichthyol. Aquat. Biol. 10(4):133-207. (Ref.
57883
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
29 April 2008
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201
): 28 - 29.1, mean 28.5 °C (based on 97 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.3 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153
): Low vulnerability (10 of 100).
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Page last modified by :
mrius-barile
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Updated: 2024-04-25 21:55:18 gmt
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