Sagami Grenadier

Snout short, conical; eyes large, its diameter greater than snout length. Scales medium-sized, uniformly covered with broad, short, triangular spinules in widely divergent V rows or irregularly quincunx order. Snout with a black margin along its leading edge; first dorsal fin uniformly dusky or darker proximally, but lacking a distinct black blotch.

Dorsal spines (total): 2; Analspines: 0

Most common in about 350 to 550 m where water temperatures range from 6° to 12°C. Feeds primarily on euphausiids, prawns, and isopods.

Most common in about 350 to 550 m where water temperatures range from 6° to 12°C. Feeds primarily on euphausiids, prawns, and isopods. Spawning probably takes place in early spring.

fisheries: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family

分布於西北太平洋區，由南日本太平洋岸、中國東海至臺灣東北部海域。

常見之種類，無經濟價值，漁民以底拖網捕獲後，多作為下雜魚。

體型延長，側扁。頭部中大。吻短圓鈍。口大，下位，頦下有一長鬚；上、下頜齒為錐狀，多列排成寬齒帶，內側齒不特別大於外側齒。鰓裂大，向前延伸達眼睛後緣下方。鰓被架 7；鰓耙數0+9-13。體被大型櫛鱗，其上散佈許多三角形的棘刺；第一背鰭基底後方皆為有棘鱗區；第一背鰭中部至側線之鱗列數5-6。發光器位於兩腹鰭基底間，短小，黑色水滴狀，包圍著肛門與尿殖孔，此包圍部份凹陷，所以此類魚被稱為「凹腹鰭」。第一背鰭具硬棘II，第II硬棘前緣呈鋸齒狀，軟條9-12；腹鰭起點稍後於胸鰭起點，軟條8-9。體一致為土黃色，各鰭淡色。

主要棲息於深度200-720公尺、水溫6-12。C的砂泥底質水域。屬深海底棲性肉食魚類，以小型之磷蝦、明蝦等等足類為食。會在夜間時從較深水層遷移至較淺水層覓食；繁殖季節為冬季至初春。