CEPHALOPODS - Food and Agriculture Organization · 2006. 3. 7. · ventral view 203 CEPHALOPODS...

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dorsal view 201 CEPHALOPODS OMMASTREPHIDAE Ommastrephes bartrami (Le Sueur, 1821) FAO names : En - Flying squid; Fr - Encornet volant; Sp - Pota saltadora. Size : females 50 cm (mantle length), males somewhat smaller. Fishing gear : of potential value; caught elsewhere with squid jigs and dipnets (use of light). Habitat : oceanic, near the surface at night. Loc.name(s) : Ommastrephes pteropus Steenstrup, 1855 FAO naives : En - Orangeback squid; Fr - Encornet dos orange; Sp - Pota naranja. Size : females 37 cm (mantle length), males smaller. Fishing gear : of potential value; caught elsewhere with squid jigs and dipnets (use of light). Habitat : oceanic. Loc.name(s) : golden or silvery band on mid ventral line ventral view foveola lateral pockets funnel groove with foveola and lateral pockets (character of the genus) large luminous plate mid-dorsal line darker previous page

Transcript of CEPHALOPODS - Food and Agriculture Organization · 2006. 3. 7. · ventral view 203 CEPHALOPODS...

Page 1: CEPHALOPODS - Food and Agriculture Organization · 2006. 3. 7. · ventral view 203 CEPHALOPODS OMMASTREPHIDAE funnel groove without foveola Todaropsis eblanae (Ball, 1841) FAO names:

dorsal view

201

CEPHALOPODS

OMMASTREPHIDAE

Ommastrephes bartrami (Le Sueur, 1821)

FAO names : En - Flying squid; Fr - Encornet volant; Sp - Pota saltadora.

Size : females 50 cm (mantle length), males somewhat smaller.

Fishing gear : of potential value; caught elsewhere with squid jigs and dipnets (use of light).

Habitat : oceanic, near the surface at night.

Loc.name(s) :

Ommastrephes pteropus Steenstrup, 1855

FAO naives : En - Orangeback squid; Fr - Encornet dos orange; Sp - Pota naranja.

Size : females 37 cm (mantle length), males smaller.

Fishing gear : of potential value; caught elsewhere with squid jigs and dipnets (use of light).

Habitat : oceanic.

Loc.name(s) :

golden or silvery band

on mid ventral line

ventral view

foveola lateral pockets

funnel groove with foveola and lateral pockets (character

of the genus)

large luminous

plate

mid-dorsal line darker

previous page

Page 2: CEPHALOPODS - Food and Agriculture Organization · 2006. 3. 7. · ventral view 203 CEPHALOPODS OMMASTREPHIDAE funnel groove without foveola Todaropsis eblanae (Ball, 1841) FAO names:

dorsal view

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CEPHALOPODS OMMASTREPHIDAE

Ornithoteuthis antillarum Adam, 1957

FAO names : En - Bird squid ; Fr - Encornet oiseau; Sp - Pota pajarito.

Size : 20 cm mantle length.

Fishing gear : squid jigs, dipnets, bottom trawls (during the day), midwater trawls (at night).

Habitat : oceanic, from the surface to about 1100 m depth.

Loc.name(s) :

Todarodes sagittatus sagittatus (Lamarck, 1799)

FAO names : En - European flying squid; Fr - Toutenon commun; Sp - Pota europea.

Size : males 75 cm, females 49 cm (mantle length).

Fishing gear : bottom trawls.

Habitat : from the surface to 1000 m depth, migrates towards the coast in large schools.

Loc.name(s) :

foveola with 7-11 folds

funnel groove with foveola

a band of luminous tissue, usually pink,

along ventral mid-line

dorsal view

mantle drawn into a pointed tail

foveola

funnel groove with foveola

4 rows of suckers

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ventral view

203

CEPHALOPODS

OMMASTREPHIDAE

funnel groove without foveola

Todaropsis eblanae (Ball, 1841)

FAO names : En - Lesser flying squid; Fr - Encornet souffleur; Sp - Pota costera.

Size : males 16 cm, females 24 cm (mantle length).

Fishing gear : bottom trawls (bycatch).

Habitat : coastal waters, near sandy and muddy bottoms, from 20 to 650 m depth (at temperatures ranging from 9 to 18°C).

Loc.name(s) :

Ancistroteuthis lichtensteini (Orbigny, 1839)

FAO names : En - Angel squid; Fr - Cornet archange; Sp - Luria paloma.

Size : 30 cm mantle length.

Fishing gear: pelagic trawls (bycatch).

Habitat : pelagic, from the surface to about 250 m depth.

Loc.name(s) :

4 rows of suckers

distal end of tentacular club

dorsal view

ONYCHOTEUTHIDAE

luminous organs absent from

intestinal tract

hooks

tentacles very long

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CEPHALOPODS

ONYCHOTEUTHIDAE

Onychoteuthis banksi (Leach, 1817)

FAO names : En - Hooked squid ; Fr - Cornet crochu ; Sp - Luria ganchuda.

Size : 29 cm mantle length.

Fishing gear : of potential value; could be caught with jigs and liftnets (use of light)).

Habitat : oceanic, from 150 to 800 m depth.

Loc.name(s) :

Thysanoteuthis rhombus Troschel, 1857

FAO names : En - Rhomboid squid; Fr - Chipiloua commun; Sp - Chipirón volantín.

Size : 100 cm, common to 60 cm mantle length.

Fishing gear : of potential value; could be caught with set nets and drifting jigs.

Habitat : pelagic, often seen in small schools in surface waters; lower limits of its depth distribution unknown.

Loc.name(s) :

viscera (after removal of ventral

portion of mantle)

hooks

rachis of gladius with a strong crest shining

through the mantle along ventral midline

dorsal view

THYSANOTEUTHIDAE

eyes open

mantle thick, muscular, fins broad and

lozangic, occupying entire length of mantle

luminousorgans

intestinaltract

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CEPHALOPODS

OCTOPODA - OCTOPUSES

Internal shell reduced or absent; 8 arms, no tentacles.

OCTOPODIDAE

Octopus defilippi Verany, 1851

FAO names : En - Lilliput longarm octopus; Fr - Poulpe à longs bras; Sp - Pulpito patilago.

Size : 9 cm mantle length.

Fishing gear : bottom trawls (bycatch).

Habitat : benthic, on sandy to muddy bottoms from 6 to 60 m depth.

Loc.name(s) :

Octopus macropus Risson, 1826

FAO names : En - White-spotted octopus; Fr - Poulpe tacheté; Sp - Pulpo patudo.

Size : 100 cm total length, common to 80 cm.

Fishing gear : bottom trawls, artisanal fishing gear (spears, hooks, lures, traps).

Habitat : rocky and coralline bottoms from 1 to 20 m depth.

Loc.name(s) :

Octopus vulgaris Cuvier, 1797

FAO names : En - Common octopus; Fr - Pieuvre; Sp - Pulpo común.

Size : females 115 cm, males 130 cm (total length), common to 2.5 kg (fresh weight).

Fishing gear : bottom trawls.

Habitat : indifferent habitats from the coastline to 200 m depth.

Loc.name(s) :

arms extremely long and slender

ligula short

tip of hectocotylized arm 3 of male

1 st (dorsal) pair of arms longest and

stoutest

ligula long

tip of hectocotylized arm

(in males)

Colour blue-green, with large white spots dorsally on mantle, head and

arms; becomes brick red when disturbed

arms about equally long and thick

ligula short

colour variable, usually marbled with brown, white and beige

tip of 3rd hectocotylized arm

(in males)

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