Monocoryne bracteata Fraser 1943

• Main Authors: Peter Schuchert, Nadya Sanamyan, Karen Sanamyan
• Format: Other/Unknown Material
• Language: unknown
• Published: 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Anthoathecata; Candelabridae; Monocoryne; Monocoryne bracteata; Okhotsk; Kamchatka Peninsula; Avacha; Kamchatka; okhotsk sea; Alaska
• Online Access: https://zenodo.org/record/6063907; https://doi.org/10.5281/zenodo.6063907

Monocoryne bracteata (Fraser, 1943) Figs 1-3 Symplectanea bracteata Fraser, 1943: 78, pl. 13 fig. 1. Monocoryne bracteata. – Rees, 1958: 17, fig. a-b. – in part Stepanjants et al., 2003: figs 2A & 2C. ‒ Brinckmann-Voss & Lindner, 2008: 1634, fig. 2A-B. Material examined: MHNG-INVE-92014, field number Kam05; 15 specimens in ethanol (males and females) and serial histological sections of middle region of males and females; Russia, Kamchatka Peninsula, Avacha Bay, Starichkov Island, 52.7823°N 158.61575°E, 16 m depth, temperature 2°C; collection date 18.06.2014; DNA extracted from 2 specimens preserved in ethanol, DNA isolates 1123 and 1124 gave both the same 16 sequence LN898142. MHNG-INVE-92015, field number Kam06; 1 male and 1 female specimen in ethanol; Russia, Kamchatka Peninsula, Starichkov Island, 52.77915°N 158.61268°E, 7 m depth, temperature 10 °C; collection date 24.06.2009. MHNG-INVE-92016, field number Kam07; 9 specimens in ethanol, males and females; Russia, Kamchatka Peninsula, Starichkov Island, 52.7796°N 158.6111°E, 10 m depth, temperature 5°C; collection date 17.07.2009; DNA extracted from 2 specimens preserved in ethanol, DNA isolates 1125 and 1126 gave both the same 16S sequence LN898143. ZIRAS; several specimens in ethanol, one with branched polyp body; Russia, Kamchatka Peninsula, Avacha Bay, Starichkov Island, on pebbles, 52.7790°N, 158.6124°E, 8 m depth, temperature 4°C; collection date 0 2.06.2011. ROMIZ B3646, 1 fragmented specimen with female sporosacs in ethanol; Russia, Okhotsk Sea, Urup Island, 46°N 149°E, 300 m depth; collection date 07.08.1987; elongate sporosacs with 0- 20 egg like bodies. Type locality: Albatross Station 4253; 57.67194°N 133.67944°W, Thistle Ledge, Stephens Pass, southeastern Alaska, water depth 240-344 m (Brinckmann-Voss & Lindner, 2008). Diagnosis: Solitary species of Monocoryne, with or without anchoring filaments, up to 200 widely spaced tentacle-groups comprising 3-10 tentacles (mostly around 6), tentacles grouped in linear arrays. Individuals ...