358 クラヤミヒレギレイカ * Chtenopteryx canariensis Salcedo

ミズウオヒレギレイカ Chtenopteryx sepioloidea
Rancurel, 1970/ヒレギレイカ科 Chtenopterygidae
ML 19 mm.前種によく似ているが,
(1)外套膜が幅広い.(2)
IV 腕が最長.(3)墨汁嚢上にある円形の発光器が小さいなどの
特徴から区別された.南西太平洋のミズウオの胃中.
Resembling the preceding species, but separable in having: (1)
wider mantle, (2) long Arm IV, and (3) smaller photophore on
ink sac. Found in diet of lancetfish in Southwest Pacific.
[A. 背面(19 mm);B. 同腹面]
60°
40°
20°
A
0°
20°
B
40°
A, B:Rancurel(1970)
クラヤミヒレギレイカ(*) Chtenopteryx canariensis
40°
60°
80°
100° 120° 140° 160° 180°
Salcedo-Vargas & Guerrero-Kommritz, 2000/ヒレギレイカ科 Chtenopterygidae
ML 60 mm.外套膜は砲弾型.鰭は側縁全長に及び,28 本の肉
条に支持される.外見はヒレギレイカに酷似するが,墨汁嚢上
に発光器を欠く.また触腕掌部吸盤も密生し 16∼20 列に及ぶ.
熱帯大西洋中∼南部.
Mantle bullet-shaped. Fins extending entire lateral margin of
mantle, suppor ted by 28 fleshy rays. Apparently resembling
C. siculus in general morphology, but separable therefrom in
lacking photophore on ink sac. Tentacle suckers dense, in 16-20
transverse rows. Central to South tropical Atlantic Ocean.
[A.♂腹面(60 mm);B. 触腕]
B
70°
60°
40°
20°
0°
20°
A
A, B:Sarcedo-Vargas & Guerrero-Kommritz(2000)
184 ヒレギレイカ科 Ctenopterygidae
40°
60°
100° 80° 60° 40° 20°
0°
20° 40°