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Atopochilus savorgnani : fisheries
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Atopochilus savorgnani
Picture by
Musschoot, T.
Teleostei (teleosts) >
Siluriformes
(Catfishes) >
Mochokidae
(Squeakers or upside-down catfishes) > Chiloglanidinae
Etymology:
Atopochilus:
Greek atopos = absurde, strange + Greek, cheilos = lip (Ref.
45335
)
.
More on author:
Sauvage
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical; 3°N - 0°N
Africa: Ivindo, Ogooué, Nyanga and Louzibi Rivers in Gabon, the Rio Muni in Equatorial Guinea, and the Ntem River in southern Cameroon and Gabon (Ref.
81251
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 10.5 cm SL male/unsexed; (Ref.
81251
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 1;
Anal
spines
: 0;
Anal
soft rays
: 10 - 11;
Vertebrae
: 32 - 33. Diagnosis: body depth slightly less than its greatest width; head depressed with a somewhat rugose upper surface; snout broadly rounded; nostril nearer end of snout than to eye; buccal cleft straight; mandibular tooth band less than half as long antero-posteriorly as premaxillary tooth band; maxillary barbel reaching to half of head length and at least twice as long as mandibular barbels; humeral process striated and acutely pointed; adipose fin almost 3 times as long as deep; anal fin with 10-11 rays, 1st and occasionally 2nd rays rudimentary; pectoral spine, strong, striated and strongly serrated along posterior margin; pelvic fin reaching almost to anal fin origin; caudal peduncle 1.5 times as long as deep (Ref.
81251
). Coloration: body mottled brown with small dark spots on sides and dorsal surface of body; 2 dark bands present on posterior half of body (1 between adipose and anal fin and 1 on caudal peduncle); pectoral fin darkly pigmented along base of fin rays; distal half of pelvic and anal fin rays lightly pigmented; caudal fin with 2 dark bands, 1 at base and another at tips of fin rays (Ref.
81251
).
Oviparous (Ref.
205
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Oviparous (Ref.
205
). Distinct pairing during breeding (Ref.
205
).
Gosse, J.-P.
, 1986. Mochokidae. p. 105-152. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels, MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref.
3202
)
IUCN Red List Status (Ref.
130435
)
Least Concern (LC)
; Date assessed:
16 February 2009
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries:
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Estimates based on models
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5078 [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
): 3.2 ±0.4 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 (10 of 100).
Price category (Ref.
80766
):
Unknown
.
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