Apistobranchus tullbergi Levinsen, 1883

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Classification / Names Tên thường gặp | Các synonym ( Các tên trùng) | CoL | ITIS | WoRMS

Polychaeta | Canalipalpata | Apistobranchidae

Environment: milieu / climate zone / Mức độ sâu / distribution range Sinh thái học

; Mức độ sâu 20 - 237 m (Tài liệu tham khảo 116516). Polar; 81°N - 35°N, 179°W - 85°E

Distribution Các nước | Các khu vực của FAO | Các hệ sinh thái | Những lần xuất hiện | Những chỉ dẫn

Arctic, Northeast Pacific, Northern Atlantic and the Mediterranean: from Chukchi Sea to USA, Europe and east to Turkey, north to Svalbard and Kara Sea. Polar to subtropical.

Length at first maturity / Bộ gần gũi / Weight / Age

Chín muồi sinh dục: L_m ? range ? - ? cm

Maximum depth from Ref. 117328. A surface deposit feeder (based from the feeding ecology of the family Apistobranchidae; Ref. 87179) (Ref. 85340).

Life cycle and mating behavior Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | Larvae

Members of the class Polychaeta are mostly gonochoric (sexual). Mating: Females produce a pheromone attracting and signalling the males to shed sperm which in turn stimulates females to shed eggs, this behavior is known as swarming. Gametes are spawned through the metanephridia or body wall rupturing (termed as "epitoky", wherein a pelagic, reproductive individual, "epitoke", is formed from a benthic, nonreproductive individual, "atoke"). After fertilization, most eggs become planktonic; although some are retained in the worm tubes or burrowed in jelly masses attached to the tubes (egg brooders). Life Cycle: Eggs develop into trocophore larva, which later metamorph into juvenile stage (body lengthened), and later develop into adults.