Scholarlink

Abstract <p>The article describes the larvae and provides the main meristic features of juvenile and mature <i>Pholis crassispina</i> specimens from the waters of Peter the Great Gulf, Sea of Japan. An original scheme for designating melanophores is proposed. The dynamics of melanophore coloration development in larvae is described. The cleithral pigment in this species is present from the preflexion stage. At the same stage, after reaching an absolute body length of 14.3 mm, a superficial melanophore row appears on the sides of the abdomen; melanophores can have a ray structure or appear as dots. After a body length reaches approximately 18.4&#xa0;mm, each postanal ventral melanophore corresponds to one segmented ray of the anal fin. From this larval length, the number of segmented rays in the anal fin can be determined by counting the number of melanophores at their bases. A set of features is proposed that allows reliable identification of <i>P. crassispina</i> larvae at each stage of development.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Development of Mottled Gunnel Pholis crassispina (Pholidae) Larvae from the Waters of Peter the Great Gulf, Sea of Japan

  • 期刊论文

  • 发表日期：

    2025年4月25日

查看全文
  • A. A. Balanov,
  • M. O. Rostovtceva

摘要

Abstract

The article describes the larvae and provides the main meristic features of juvenile and mature Pholis crassispina specimens from the waters of Peter the Great Gulf, Sea of Japan. An original scheme for designating melanophores is proposed. The dynamics of melanophore coloration development in larvae is described. The cleithral pigment in this species is present from the preflexion stage. At the same stage, after reaching an absolute body length of 14.3 mm, a superficial melanophore row appears on the sides of the abdomen; melanophores can have a ray structure or appear as dots. After a body length reaches approximately 18.4 mm, each postanal ventral melanophore corresponds to one segmented ray of the anal fin. From this larval length, the number of segmented rays in the anal fin can be determined by counting the number of melanophores at their bases. A set of features is proposed that allows reliable identification of P. crassispina larvae at each stage of development.