Unweaving a hard taxonomic knot in coral reef dwellers: integrative systematics reveals two parallel cryptic species complexes in ‘marbled’ shrimps of the genus Saron Thallwitz 1891 (Caridea: Hippolytidae)

Baeza, J. Antonio; Prakash, Sanjeevi; Frolová, Pavlína; Ďuriš, Zdeněk; Anker, Arthur

doi:10.1007/s00338-022-02317-9

Cited by 2 publications

(1 citation statement)

References 76 publications

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“…), octocorals (Carijoa spp. ), several genera of fishes, and multiple stony corals (5,41,80,82,105,147). Similar to locally adapted populations within species, cryptic species may exhibit distinct environmental tolerances.…”

Section: Speciation With Gene Flowmentioning

confidence: 99%

Coral Reef Population Genomics in an Age of Global Change

2023

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Coral reefs are both exceptionally biodiverse and threatened by climate change and other human activities. Here, we review population genomic processes in coral reef taxa and their importance for understanding responses to global change. Many taxa on coral reefs are characterized by weak genetic drift, extensive gene flow, and strong selection from complex biotic and abiotic environments, which together present a fascinating test of microevolutionary theory. Selection, gene flow, and hybridization have played and will continue to play an important role in the adaptation or extinction of coral reef taxa in the face of rapid environmental change, but research remains exceptionally limited compared to the urgent needs. Critical areas for future investigation include understanding evolutionary potential and the mechanisms of local adaptation, developing historical baselines, and building greater research capacity in the countries where most reef diversity is concentrated. Expected final online publication date for the Annual Review of Genetics, Volume 57 is November 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

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Section: Speciation With Gene Flowmentioning

confidence: 99%

Coral Reef Population Genomics in an Age of Global Change

2023

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The taxonomic status of Hymenodora (Crustacea: Oplophoroidea): morphological and molecular analyses suggest a new family and an undescribed diversity deep in the sea

Lunina

Kulagin

Vereshchaka

2023

Zoological Journal of the Linnean Society

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Hymenodora represents the most scantily studied branch of the pelagic shrimp belonging to the superfamily Oplophoroidea. We present a phylogenetic revision based on 80 morphological characters and six genes. Molecular and morphological phylogenetic analyses, along with molecular distances calculated with the use of six genes, suggest a family-level status of the clade Hymenodoridae including Hymenodora and Sclerodora, which is also supported by morphological characters linked to the mouthparts. We erect and diagnose a new family and provide a key to families of Oplophoroidea. We tested seven morphological characters, found that only one of them provides a confident identification of Hymenodora gracilis and Hymenodora glacialis complexes. We provide an amended key to species of Hymenodoridae. Molecular trees, along with genetic distances based on COI and 16S genetic markers, showed that H. gracilis and H. glacialis represent complexes of cryptic lineages that cannot be identified on the basis of solitary morphological characters; however, when we included seven morphological characters and ran principal component analysis and generalized linear mixed models, we could distinguish all cryptic lineages confidently. Evolutionary traits of Hymenodoridae are linked to adaptations to feeding in the deep sea (mouthparts), strengthening the membranous carapace (carinae, sulci) and passive defence (shape and proportions of the rostrum and carapace).

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Unweaving a hard taxonomic knot in coral reef dwellers: integrative systematics reveals two parallel cryptic species complexes in ‘marbled’ shrimps of the genus Saron Thallwitz 1891 (Caridea: Hippolytidae)

Cited by 2 publications

References 76 publications

Coral Reef Population Genomics in an Age of Global Change

Coral Reef Population Genomics in an Age of Global Change

The taxonomic status of Hymenodora (Crustacea: Oplophoroidea): morphological and molecular analyses suggest a new family and an undescribed diversity deep in the sea

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