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Eleotris pellegrini
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Eleotris pellegrini
Picture by
Ravelomanana, T.
Teleostei (teleosts) >
Gobiiformes
(Gobies) >
Eleotridae
(Bully sleepers)
Etymology:
Eleotris:
The name of a Nile fish, eleotris (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; brackish; demersal; amphidromous (Ref.
123271
); depth range 5 - 10 m (Ref.
123271
). Tropical
Africa: Madagascar and the Seychelles Islands (Ref.
6802
,
123271
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 23.0 cm TL male/unsexed; (Ref.
6802
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 7;
Dorsal
soft rays
(total): 8-9;
Anal
spines
: 1;
Anal
soft rays
: 8 - 9. Diagnosis:
Eleotris pellegrini
is distinguished by second and fourth suborbital free neuromast rows on cheek extending ventrally past horizontal row 'd' ('2,4' pattern), row 'os' not connected with row 'oi' at ventro-posterior margin of operculum ('open' pattern); 15 pectoral fin rays; no teeth on vomer; scales in zigzag series 10-12, and 18-24 in transverse forward series (Ref.
123271
). Within the pattern '2.4' group,
Eleotris pellegrini
differs from
E. acanthopoma
in having 15 pectoral fin rays vs. 16-17 and 28-34 scales in predorsal series vs. 30-42; it differs from
E. vomerodentata
by the absence of teeth in the vomer vs. presence; it differs from
E. sahanaensis
by a greater head length, 31-37% of standard length vs. 30-32%, and more scales in zigzag series, 10-12 vs. 10 (Ref.
123271
).
This species is supposed to be mainly amphidromous (Ref.
123271
). Maximum size up to 64 mm standard length (Ref.
123271
). Epibenthic in fresh and brackish waters (Ref.
6802
); it lives in the lower part of rivers, in muddy to clear rivers with sandy to gravel bottom between 5 to 10 m in altitude (Ref.
123271
). It is carnivorous (Ref.
123271
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Mennesson, M.I. and P. Keith
, 2020.
Eleotris
(Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species. Cybium 44(3):185-203. (Ref.
123271
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
30 June 2016
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00391 - 0.02676), b=3.02 (2.79 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.8 ±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.).
Fishing Vulnerability (Ref.
59153
): Low vulnerability (13 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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