http://www.fishbase.org/Summary/speciesSummary.php?genusname=Nannobrachium&speciesname=isaacsi ---> http://www.fishbase.org/summary/Nannobrachium-isaacsi.html
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Nannobrachium isaacsi
No image available for this species;
drawing shows typical fish in this Family.
Actinopterygii (ray-finned fishes) >
Myctophiformes
(Lanternfishes) >
Myctophidae
(Lanternfishes) > Lampanyctinae
Etymology:
Nannobrachium:
Latin, nannus = small + Latin, brachium = the upper arm from the shoulder to the elbow; 1731 (Ref.
45335
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-oceanic; oceanodromous (Ref.
51243
); depth range 0 - 2300 m (Ref.
26282
), usually 40 - 750 m (Ref.
4479
). Subtropical
Eastern Central Atlantic: found only in the Mauritanian Upwelling Region (20°N-5°N), mainly east of 30°W, and in the Guinean Province south to about 16°S in the Angola Current, but to about 3°S in the region of 20°W. Specimens reported from the western tropical Atlantic off eastern Brazil are regarded as waifs.
Length at first maturity / Size / Weight / Age
Maturity: L
m
?
, range 11 - ? cm
Max length : 13.3 cm SL male/unsexed; (Ref.
4479
)
Short description
Morphology
|
Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 14-16;
Anal
spines
: 0;
Anal
soft rays
: 17 - 20;
Vertebrae
: 35 - 36. 13-14 AO photophores; 9-10 tooth patches on the lower limb of the second gill arch; 34-36 lateral line organs (Ref.
36121
).
High-oceanic, mesopelagic species. Found at 550-750 m during the day, at 40-325 m during the night, while maximum abundance is at 100m (Ref.
4479
).
Life cycle and mating behavior
Maturity
|
Reproduction
|
Spawning
|
Eggs
|
Fecundity
|
Larvae
Zahuranec, B.J.
, 2000. Zoogeography and systematics of the lanternfishes of the genus
Nannobrachium
(Myctophidae: Lampanictini). Smithson. Contrib. Zool., 607:1-69. (Ref.
36121
)
IUCN Red List Status (Ref.
120744
)
Least Concern (LC)
; Date assessed:
11 July 2012
CITES (Ref.
115941
)
Not Evaluated
|
