Two new hermit crab species of<i>Diogenes</i>(Crustacea: Decapoda: Diogenidae) from Atlanto‐Mediterranean coasts of Iberian Peninsula: Poleward migrants or merely overlooked indigenous species?

Almón, Bruno; Cuesta, José A.; Raso, J. Enrique García

doi:10.1002/ece3.8844

Cited by 4 publications

(2 citation statements)

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“…These species have long been considered variations of the highly polymorphic D. pugilator (Forest and Guinot 1956, Ingle 1993, Noël 2016. Recent studies have demonstrated that there are in fact different species, which can be separated on the basis of several morphological characters that are not always easy to recognize and show a certain degree of intraspecific variation (Almón et al 2022a(Almón et al , 2022b. However, despite the possible variations that may occur, general colour patterns are consistently different between the four species for which this information is available.…”

Section: Discussionmentioning

confidence: 99%

Description of unique live colour patterns as a tool for discriminating hermit crab species in the Iberian Peninsula

Almón

García-Isarch

Cuesta

et al. 2023

scimar

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The unique colour patterns of the hermit crab species inhabiting the Iberian Peninsula and geographically close areas are studied based on colour patterns observed in live specimens either in the field or live in the laboratory. Live colour patterns are shown to be useful for differentiating species in the Paguroidea from Iberian waters. Colour information has not been frequently documented in previous studies, mainly because of difficulties in accessing live specimens. Up to 51 species are currently recorded within the study area, 45 of which are included in the present work, focusing on the distinctive colour traits for each species that can be observed in the field. A complete key for identifying the species within the study area based on colour patterns is included. This study is the first attempt to put in place this type of tool oriented to field work. Further studies will be required to complete and update this information, especially for species which are scarce or difficult to observe alive.

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Section: Discussionmentioning

confidence: 99%

Description of unique live colour patterns as a tool for discriminating hermit crab species in the Iberian Peninsula

Almón

García-Isarch

Cuesta

et al. 2023

scimar

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“…Edwardsii group is characterized by the simple intercalary rostral process, non-bifurcate antennal acicles, antennal and antennular peduncles being distinctly longer than the ocular peduncles, and a long and setose antennal flagellum (Asakura and Tachikawa 2010). The group comprises 49 species and are found throughout Indo-Pacific and East Atlantic (Rahayu 2015;Trivedi et al 2016;Igawa and Kato 2017;Landschoff and Rahayu 2018;Almón et al 2021Almón et al , 2022. So far, 10 species of Diogenes from the Edwardsii group have been identified in Indonesian seas.…”

Section: Introductionmentioning

confidence: 99%

Taxonomy and molecular phylogeny analysis of the genus Diogenes “Edwardsii group” (Decapoda: Anomora: Diogenidae) based on mitochondrial DNA sequences

FITRIAN¹,

MADDUPPA²,

ISMET³

et al. 2022

Biodiversitas

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Abstract. Fitrian T, Madduppa H, Ismet MS, Rahayu DL. 2022. Taxonomy and molecular phylogeny analysis of the genus Diogenes “Edwardsii group” (Decapoda: Anomora: Diogenidae) based on mitochondrial DNA sequences. Biodiversitas 23: 5302-5313. Many variations of morphological characters differ from one species to another, showing high interspecific variation within the genus Diogenes Dana, 1851. Subtle morphological differences among certain species make it difficult to identify diagnostic characters. Although the genus is very speciose, the study on the molecular is poorly reported. This study aimed to evaluate the taxonomy and phylogeny of the genus Diogenes using morphological and molecular features. The molecular phylogeny of 15 species of Diogenes included in the "Edwardsii group" was constructed based on two mitochondrial genes COI and 16S rRNA. The results of the phylogeny tree construction based on concatenated mitochondrial genes COI and 16S rRNA mtDNA formed 5 clades of monophyletic. Phylogenetic relationships of Diogenes species based on concatenated mitochondrial genes COI and 16S rRNA sequenced suggest that the morphological and molecular analyses of the species in this study corroborated one another. Among 15 species studied, three species were challenging to identify due to their resemblance to other species traits. The phylogenetic tree demonstrates that the three taxa denoted by 'sp.' were different from the known species of Diogenes so far. Diogenes sp.1 was closely related to Diogenes moosai Rahayu & Forest, 1995, Diogenes sp.2 resembles Diogenes laevicarpus Rahayu, 1996, while Diogenes sp.3 was closely related to Diogenes goniochirus Forest, 1956.

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Two new hermit crab species ofDiogenes(Crustacea: Decapoda: Diogenidae) from Atlanto‐Mediterranean coasts of Iberian Peninsula: Poleward migrants or merely overlooked indigenous species?

Almón

Cuesta

Raso

2022

Ecology and Evolution

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Two new hermit crab species ofDiogenes(Crustacea: Decapoda: Diogenidae) from Atlanto‐Mediterranean coasts of Iberian Peninsula: Poleward migrants or merely overlooked indigenous species?

Abstract: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

Cited by 4 publications

References 60 publications

Description of unique live colour patterns as a tool for discriminating hermit crab species in the Iberian Peninsula

Description of unique live colour patterns as a tool for discriminating hermit crab species in the Iberian Peninsula

Taxonomy and molecular phylogeny analysis of the genus Diogenes “Edwardsii group” (Decapoda: Anomora: Diogenidae) based on mitochondrial DNA sequences

Two new hermit crab species ofDiogenes(Crustacea: Decapoda: Diogenidae) from Atlanto‐Mediterranean coasts of Iberian Peninsula: Poleward migrants or merely overlooked indigenous species?

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