The feeding habits of three species of lanternfishes
(family myctophidae) off Oregon, USA.
From Rio Real, BA to Cabo Sao Tome, RJ (12-22oS), 27 larval lanternfish
species were identified in 658 samples collected in depths <200 m (Castro et al., 2010), and Myctophidae was the most diverse family at epi- and mesopelagic depths (Braga et al., 2007).
In addition to the 10 stomachs examined for this study, another stomach was dissected and examined at sea by a NEFOP observer who retained only 14 otoliths: 9 Marlin-spike (Nezumia bairdii) and 5 Cocco's Lanternfish
The most commonly found prey species, in order of abundance, were: 1) Madeira lanternfish
(Ceratoscopelus maderensis), 3876 individuals, all but one from a single stomach; 2) silver hake (Merluccius bilinearis), 945 individuals from 22 stomachs; 3) sand lance (Ammodytes spp.), 271 individuals from a single stranded dolphin; 4) spoonarm octopus (Bathypolypus bairdii), 212 individuals from 14 stomachs; 5) haddock (Melanogrammus aeglefinus), 107 individuals from eight stomachs; 6) Atlantic hagfish (Myxine glutinosa), 105 individuals from 17 stomachs; and 7) red hake (Urophycis chuss), 103 individuals from 14 stomachs.
1, the northern anchovy (Engraulis mordax), Pacific mackerel (Scomber japonicus), the anchoveta (Cetengraulis mysticetus), jack mackerel (Trachurus symmetricus), and the lanternfish
The large contribution of lanternfish
to the diets of snoek <50 cm is attributed to the fact that most of these fish were sampled during the second half of the year, i.e.
sculpin (unidentified) 4.33 Cryptacanthodes giganteus giant wrymouth 0.76 Lycodes palearis wattled eelpout 0.86 Eopsetta jordani petrale sole 0.97 Mallotus villosus capelin 1.47 Lycodes brevipes shortfin eelpout 0.13 Dasycottus setiger spinyhead sculpin 1.33 Aptocyclus ventricosus smooth lumpsucker 0.74 Podothecus acipenserinus sturgeon poacher 0.19 Sebastes elongatus greenstriped rockfish 0.05 Sebastes wilsoni pygmy rockfish 0.00 Myctophidae lanternfish
(unidentified) 0.19 Triglops spp.
Growth and reproduction of the lanternfish
the Lampanyctodes hectoris, a commercially exploited lanternfish
, is the most abundant in the Benguela Current, followed by Symbolophorus and Diaphus (Ahlstrom et al., 1976; Olivar and Shelton, 1993).
The life history of Cardiodectes medusaeus (Wilson), a copepod parasite of lanternfishes
Development of lanternfishes
(Family Myctophidae) in the California Current.
Biology The spined pygmy shark is known to feed on squid, lanternfishes
, and lightfishes.