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Leptochilichthys agassizii, Agassiz' smooth-head
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Common name (e.g. trout)
Genus + Species (e.g. Gadus morhua)
Agassiz' smooth-head
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drawing shows typical species in Alepocephalidae.
Teleostei (teleosts) >
Alepocephaliformes
(Slickheads and tubeshoulders.) >
Alepocephalidae
(Slickheads)
Etymology:
Leptochilichthys:
Greek, leptos = thin + Greek, leptos = thin + Greek, cheilos = lip (Ref.
45335
)
.
More on author:
Garman
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 2000 - 3100 m (Ref.
6558
). Deep-water; 51°N - 13°N
Eastern Atlantic: several records between 14°11'N (off Senegal) and 50°08'N. Elsewhere, eastern Pacific, from the equator to 38°24'N. Probably occurring in the Western Central Pacific (Ref.
38717
). Reported from the Indian Ocean (Ref.
43180
).
Size / Weight / Age
Maturity: L
m
 
?
  range ? - ? cm
Max length : 30.8 cm SL male/unsexed; (Ref.
6558
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 11-15;
Anal
spines
: 0;
Anal
soft rays
: 11 - 13
Bathypelagic (Ref.
96339
). Rare and poorly known.
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Markle, D.F. and Y.I. Sazanov
, 1990. Leptochilichthyidae. p. 244-245. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref.
6558
)
IUCN Red List Status (Ref.
126983
)
Least Concern (LC)
; Date assessed:
11 July 2012
CITES
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201
): 2.4 - 2.7, mean 2.5 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00339 (0.00162 - 0.00710), b=3.19 (3.00 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 3.5 ±0.5 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 (28 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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