...The ecology of the Japanese bitterling is characterized by the fact that it spawns in the fall, and the eggs laid inside the shellfish hatch in the gill lobes, overwinter while developing, and the larvae swim out into the water around May of the following spring. There are two other bitterling species that spawn in the fall: A. rhombea and Pseudoperilampus typus . Of these, the Pseudoperilampus typus is also considered to be one of the fish species that is experiencing a significant decline. *Some of the terminology that mentions "Pseudoperilampus typus" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…イタセンパラの生態の特徴は産卵期が秋季で,貝の中に産着された卵はその鰓葉内で孵化(ふか),発育しつつ越冬し,翌春5月ころに仔魚(しぎよ)が水中へ泳ぎ出すことである。秋季に産卵するタナゴ類はこのほかカネヒラA.rhombeaとゼニタナゴPseudoperilampus typusの2種がある。このうちのゼニタナゴも減少の著しい魚の1種と考えられる。… ※「Pseudoperilampus typus」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 |
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