Sleuthing cryptic Chromodorids (Mollusca, Nudibranchia): adding to Philippine marine biodiversity

Q3 Environmental Science

Philippine Journal of Systematic Biology Pub Date : 2021-07-12 DOI:10.26757/pjsb2020b14014

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Abstract

The Verde Island Passage of the Philippines is renowned for its rich marine biodiversity and heterobranch mollusks are demonstrable models of that species richness of the region. Chromodorid nudibranchs represent a particularly rich taxon, with species of Chromodoris being one of the most iconic and abundant taxa in shallow water coral reef environments. Despite being one of the best-documented clades of nudibranch mollusks, recent work has shown that numerous cryptic and pseudocryptic species are abundant in the waters of the Coral Triangle region. This paper reviews the species richness and distribution of Chromodoris species in the Philippines and provides a description of a new species of Chromodoris from the region. Chromodoris alcalai Gosliner, n. sp. is named to honor Dr. Angel Alcala’s 90th birthday and his pioneering contributions to preserving the marine biodiversity of the Philippines. This species is most similar externally to C. dianae Gosliner and Behrens, 1998, with which it was erroneous lumped. Distinctness of molecular data, external morphology and coloration, and internal anatomical features clearly distinguish these two species. KEYWORDS: systematics, Nudibranchia, coral reefs, Indo-Pacific, Coral Triangle

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侦查隐色虫(软体动物，裸鳃目):增加菲律宾海洋生物多样性

菲律宾的佛得岛航道以其丰富的海洋生物多样性而闻名，异枝软体动物是该地区物种丰富程度的典型代表。染毛纲裸支是一个特别丰富的分类群，是浅水珊瑚礁环境中最具代表性和最丰富的分类群之一。尽管裸鳃软体动物是记录最完整的分支之一，但最近的研究表明，在珊瑚三角地区的水域中，有大量的隐生和伪隐生物种。本文综述了菲律宾色蛾的物种丰富度和分布情况，并介绍了该地区一种新的色蛾。“Chromodoris alcalai Gosliner, n. sp”的命名是为了纪念Angel Alcala博士的90岁生日，以及他在保护菲律宾海洋生物多样性方面的开创性贡献。这个物种的外部与C. dianae goslliner和Behrens(1998)最相似，但它被错误地归为一类。分子数据、外部形态和颜色以及内部解剖特征的独特性清楚地区分了这两个物种。关键词:系统分类学，海颌目，珊瑚礁，印度洋-太平洋，珊瑚三角

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来源期刊

Philippine Journal of Systematic Biology Environmental Science-Ecology

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The Philippine Journal of Systematic Biology (Print ISSN: 1908-6865; Online ISSN: 2508-0342) is an annual, peer-reviewed journal in English that publishes high quality reports of original research and reviews in the field of Taxonomy & Systematics, Ecology and Conservation Biology. The PJSB is a CHED recognized journal under CHED CMO 50 series of 2017. It is also included in the Clavariate Analysis (formerly a subsidiary of Thomson Reuters) Master Journal List under Zoological Record, BIOSIS Previews and Biological Abstracts.The PJSB is the official publication of the Association of Systematic Biologists of the Philippines (SEC Registration: Association of Philippine Taxonomists, Inc.). The organization financially supports the journal and all its endeavors. The journal aims to build up quality information on animal, plant and microbial diversity in the Philippines. Articles dealing with original research or reviews in Zoological, Botanical or Microbial Systematics, Ecology and Conservation Biology are welcome. Authors are advised to consult a recent issue of PJSB for the current format and style. All manuscripts are reviewed by at least two qualified referees.