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Hippopotamyrus pictus : fisheries
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drawing shows typical species in Mormyridae.
Teleostei (teleosts) >
Osteoglossiformes
(Bony tongues) >
Mormyridae
(Elephantfishes)
Etymology:
Hippopotamyrus:
Greek, ippos = horse + Greek,potamos = river + greek, myros = the male of morey eel (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical; 22°C - 24°C (Ref.
12468
)
Africa: in the large Sahelo-Sudanese basins Nile, Niger, Benue, Chad and Volta (Ref.
2915
,
28714
,
81274
); also Mono River in Togo, Sassandra River in Ivory Coast and in Ghana, Burkina Faso, NIgeria and Cameroon (Ref.
3203
,
2915
,
81274
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 30.5 cm SL male/unsexed; (Ref.
3203
); max. published weight: 100.00 g (Ref.
3799
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 29-39;
Anal
spines
: 0;
Anal
soft rays
: 30 - 36. Concave back profile. Dorsal and anal fins on same level. Body height 3.2-4.8 x SL. Chin less developed than
H. paugyi
. Caudal peduncle height 3.2-4.9 x of its length. Nasal openings forming 45° angle with body axis.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Bigorne, R.
, 1990. Mormyridae. p. 122-184. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux saumâtres d'Afrique de l'Ouest. tome 1. Faune Trop. 28. Musée Royal de l'Afrique Centrale, Tervuren, and ORSTOM, Paris. (Ref.
2915
)
IUCN Red List Status (Ref.
126983
)
Least Concern (LC)
; Date assessed:
30 November 2019
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
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Zoological Record
Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00660 - 0.02191), b=2.85 (2.69 - 3.01), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref.
93245
).
Trophic level (Ref.
69278
): 3.2 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): Low to moderate vulnerability (27 of 100).
Price category (Ref.
80766
):
Unknown
.
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Page last modified by :
mrius-barile
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