...A beautiful shrimp (illustration) of the family Pectiniidae, a crustacean that lives in shallow waters around rocky reefs. It grows to about 4.5 cm in length, and when alive, it is transparent with complex reddish-brown stripes and a row of round white markings. The rostrum has 2-3 spines on the upper edge, 4-5 near the tip, and 8-11 spines on the lower edge. There is a joint at the base of the rostrum with the cephalothorax, which allows it to move up and down. This structure is a common feature of Pectiniidae and is not seen in other shrimps, but it is unclear whether it serves any ecological purpose. ... *Some of the terminology that mentions "Rhynchocinetes hiatti" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…岩礁の浅海にすむ甲殻綱サラサエビ科の美しいエビ(イラスト)。体長4.5cmほどになり,生きているときは透明で赤褐色の複雑な縞模様があり,また,まるい白い紋が並んでいる。額角は上縁に2~3本,先端近くに4~5本,下縁に8~11本のとげがある。額角の基部に頭胸甲との関節があり,上下に動く。このような構造はサラサエビ類共通の特徴で,他のエビ類には見られないが,生態的に何かに役だっているかどうか不明である。… ※「Rhynchocinetes hiatti」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Rhynchocymba nystromi nystromi (English spelling) Rhynchocymbanystrominystromi
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