Like a bat out of heaven: the phylogeny and diversity of the bat-winged slugs (Heterobranchia: Gastropteridae)

Ong, Elise; Hallas, Joshua M.; Gosliner, Terrence M.

doi:10.1093/zoolinnean/zlw018

Cited by 7 publications

(5 citation statements)

References 26 publications

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“…Here we found that the Philippine Islands are inhabited by at least 18 species of Chromodoris, roughly 41% of the global biodiversity of Chromodoris, thus reinforcing the species richness present in the region. This is identical to the findings of Ong et al (2017), where 41% of the global biodiversity of Gastropteridae was found in the Verde Island Passage of the Philippines. The 18 species of Chromodoris known from the Philippines include: C. alcalai Gosliner, 2020, C. annae Bergh, 1877, C. aspersa (Gould, 1852, C. balat Bonomo & Gosliner, 2020, C. colemani Rudman, 1982, C. dianae Gosliner & Behrens, 1998, C. elisabethina Bergh, 1877, C. kalawakan Bonomo & Gosliner, 2020, C. lineolata (van Hasselt, 1824, C. lochi Rudman, 1982, C. magnifica (Quoy & Gaimard, 1832, C. michaeli , C. quagga Bonomo & Gosliner, 2020, C. striatella Bergh, 1877, C. strigata Rudman, 1982, C. willani Rudman, 1982, C. sp.…”

Section: Discussionsupporting

confidence: 90%

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

2021

Philippine Journal of Systematic Biology

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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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Section: Discussionsupporting

confidence: 90%

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

2021

Philippine Journal of Systematic Biology

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“…Siphopteron dumbo Ong et al, 2017 seems especially similar to the two specimens found under coral rubble of Siladen Island. However, S. dumbo has pale blue lines on the dorsal body, parapodia and head shield, and its distribution may be restricted to Philippines and probably Japan (Ong et al, 2017). Our specimens (Fig.…”

Section: Resultsmentioning

confidence: 69%

“…Fig. 2) Recently Ong et al (2017) described several new Siphopteron species from the Philippines. Siphopteron dumbo Ong et al, 2017 seems especially similar to the two specimens found under coral rubble of Siladen Island.…”

Section: Resultsmentioning

confidence: 99%

Second survey of heterobranch sea slugs (Mollusca, Gastropoda, Heterobranchia) from Bunaken National Park, North Sulawesi, Indonesia - how much do we know after 12 years?

et al. 2018

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Background: Bunaken National Park (BNP) is one of the most famous marine national parks in Indonesia with an extraordinary diversity in marine life forms. However, this diversity is threatened by an increasing population on the islands, ongoing destructive fishing techniques and lately by an increase in tourism. Protecting and managing the future use of BNP resources will require the assessment of both, local marine biodiversity through monitoring efforts and the identification and subsequent reduction of any threats or changes in the park. A high diversity in marine Heterobranchia indicates a high diversity of metazoan life forms and a diverse habitat structure. Surveying the complete biological diversity across taxonomic groups found in BNP would be an extensive undertaking, so focus on heterobranch diversity as an indicator of coral reef health was initiated and a model group on which future monitoring and conservation efforts can be based is provided. This study follows up the first investigation of marine Heterobranchia in BNP, conducted 12 years ago, while assessing molluscan diversity, and intends to present a base line for future monitoring programs. Results: The diversity of marine heterobranchs around BNP was surveyed with an emphasis on Bunaken Island by diving and snorkeling at nearly 20 sites. Species are listed with photographic documentation (81 species) and results compared with the former study on molluscan species diversity in BNP. Taking these two studies into account 135 species are now recorded from BNP. The low overlap of described species (21) between the two BNP studies illustrates the gap of knowledge about overall species diversity in this particular area. A comparison with other studies from the region and Indo-Pacific also provides evidence for undersampling, but show similar taxa composition except of a somewhat higher cladobranch number in relation to Anthobranchia. Conclusions: BNP is still under-sampled with regard to sea slug diversity. Thus conclusions as to whether or not a shift in species has occurred during the 12 years since the first study cannot be drawn. More and extensive studies are necessary to completely document the species richness in this area.

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“…Currently known only from the Philippines, Indonesia, and Australia ( Ong et al 2017 ). Here documented as a first record for Thai waters.…”

Section: Resultsmentioning

confidence: 99%

An updated inventory of sea slugs from Koh Tao, Thailand, with notes on their ecology and a dramatic biodiversity increase for Thai waters

Mehrotra¹,

Gutiérrez²,

Scott³

et al. 2021

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Improved access to field survey infrastructure throughout South-East Asia has allowed for a greater intensity of biodiversity surveys than ever before. The rocky bottoms and coral reef habitats across the region have been shown to support some of the highest sea slug biodiversity on the planet, with ever increasing records. During the past ten years, intensive SCUBA surveys have been carried out at Koh Tao, in the Gulf of Thailand, which have yielded remarkable findings in sea slug biology and ecology. In this work a brief history of sea slug biodiversity research from Thailand is covered and a complete inventory of sea slugs from Koh Tao, Gulf of Thailand is provided. This inventory is based on surveys from 2012 to 2020, with previously unreported findings since 2016. Habitat specificity and species-specific ecology are reported where available with a focused comparison of coral reef habitats and deeper soft-sediment habitats. The findings contribute 90 new species records for Thai waters (92 for the Gulf of Thailand) and report a remarkable consistency in the proportional diversity found to be exclusive to one habitat type or another. Additionally, taxonomic remarks are provided for species documented from Koh Tao that have not been discussed in past literature from Thailand, and a summary of previous records in the Indo-West Pacific is given.

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Like a bat out of heaven: the phylogeny and diversity of the bat-winged slugs (Heterobranchia: Gastropteridae)

Cited by 7 publications

References 26 publications

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

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

Second survey of heterobranch sea slugs (Mollusca, Gastropoda, Heterobranchia) from Bunaken National Park, North Sulawesi, Indonesia - how much do we know after 12 years?

An updated inventory of sea slugs from Koh Tao, Thailand, with notes on their ecology and a dramatic biodiversity increase for Thai waters

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