A new species of the freshwater crab genus <i>Ghatiana</i> Pati and Sharma, 2014 (Brachyura: Gecarcinucidae) from the Central Western Ghats, India

A new species of the freshwater crab genus Ghatiana Pati and Sharma, 2014, is recognized herein from the Karnataka State, India. Ghatiana dvivarna sp. nov. usually inhabits holes in the laterite rocks on the elevated mountains of the Central Western Ghats (south of Goa-Nilgiris). The predominantly white color in life and the characteristic smaller eyes relative to the orbits of the new species easily distinguish it from congeners. Ghatiana dvivarna sp. nov. most resembles Ghatiana pulchra Pati and Thackeray, 2018, but can be differentiated mainly by its relatively more slender terminal segment of the male first gonopod. Ghatiana currently comprises 11 species, now including Ghatiana dvivarna sp. nov.

Keywords
Crustacea; Decapoda; Gecarcinucoidea; Karnataka; Oriental region; taxonomy

Authorship

Sameer Kumar Pati

Zoological Survey of India, Western Regional Centre. Vidyanagar, Sector 29, P.C.N.T. Post, Akurdi, Pune-411 044, Maharashtra, India.Zoological Survey of IndiaIndiaPune, Maharashtra, IndiaZoological Survey of India, Western Regional Centre. Vidyanagar, Sector 29, P.C.N.T. Post, Akurdi, Pune-411 044, Maharashtra, India.

https://orcid.org/0000-0001-8418-7500

Tejas Thackeray

Thackeray Wildlife Foundation. Vaibhav Chambers, BKC, Bandra, Mumbai-400 051, Maharashtra, India.Thackeray Wildlife FoundationIndiaMumbai, Maharashtra, IndiaThackeray Wildlife Foundation. Vaibhav Chambers, BKC, Bandra, Mumbai-400 051, Maharashtra, India.

https://orcid.org/0000-0002-9981-8763

Parashuram Prabhu Bajantri

Karnataka Forest Department, Anshi Wildlife Range, Kali Tiger Reserve Division. Anshi-581 187, Karnataka, India.Karnataka Forest DepartmentIndiaKarnataka, IndiaKarnataka Forest Department, Anshi Wildlife Range, Kali Tiger Reserve Division. Anshi-581 187, Karnataka, India.

https://orcid.org/0000-0002-6829-2105

Gopalkrishna Dattatraya Hegde

Unaffiliated. Honnepal, Bare Post-581 337, Karnataka, India.Unaffiliated. HonnepalIndiaKarnataka, IndiaUnaffiliated. Honnepal, Bare Post-581 337, Karnataka, India.

https://orcid.org/0000-0003-4307-7983

CORRESPONDING AUTHOR
Sameer Kumar Pati sameer_pati@yahoo.co.in

SKP E-mail: sameer_pati@yahoo.co.in

TT E-mail: tejasthackeray@gmail.com

PPB E-mail: jaishreeram49@gmail.com

GDH E-mail: baretamma@gmail.com

SCIMAGO INSTITUTIONS RANKINGS

Unaffiliated. Honnepal, Bare Post-581 337, Karnataka, India.Unaffiliated. HonnepalIndiaKarnataka, IndiaUnaffiliated. Honnepal, Bare Post-581 337, Karnataka, India.

Figures

Figures (7)

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Figure 1.
Map showing the distribution of known species of Ghatiana in the Northern- and Central Western Ghats of India.

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Figure 2.
Ghatiana dvivarna sp. nov., color in life. A, Holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075); B, paratype female (29.97 × 15.98 mm) (ZSI-WRC C.2076).

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Figure 3.
Ghatiana dvivarna sp. nov., holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075). A, Overall dorsal view; B, overall frontal view; C, overall ventral view. Scale bar = 10 mm.

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Figure 4.
Ghatiana dvivarna sp. nov., holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075). A, Left third maxilliped; B, major or left chela in outer view; C, pleon and telson; D, left G1 in dorsal view; E, left G1 in ventral view; F, left G2. Scale bars = 10 mm (B), 5 mm (C), 2 mm (A), 1 mm (D-F).

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Figure 5.
Ghatiana dvivarna sp. nov., paratype female (29.97 × 15.98 mm) (ZSI-WRC C.2076). A, Overall dorsal view; B, overall frontal view; C, pleonal somites 4-6 and telson; D, thoracic sternites showing vulvae. Scale bars = 10 mm (A, B), 5 mm (C, D).

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Figure 6.
Ghatiana dvivarna sp. nov. A, View of the general habitat at the type locality; B, a crab in its natural habitat; C, a crab while feeding on the mosses growing on a laterite rock.

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Figure 7.
Ghatiana dvivarna sp. nov., holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075) (A-E); Ghatiana basalticola (Klaus, Fernandez and Yeo, 2014Klaus, S.; Fernandez, K. and Yeo, D.C.J. 2014. Phylogeny of the freshwater crabs of the Western Ghats (Brachyura, Gecarcinucidae). Zoologica Scripta, 43: 651-660.), holotype male (17.30 × 10.10 mm) (IISc-CES) (F-I); Ghatiana pulchraPati and Thackeray, 2018Pati, S.K. and Thackeray, T. 2018. The freshwater crab genera Ghatiana Pati and Sharma, Gubernatoriana Bott, and Inglethelphusa Bott (Crustacea: Decapoda: Brachyura: Gecarcinucidae) revisited, with descriptions of a new genus and eleven new species. Zootaxa, 4440: 1-73., holotype male (19.37 × 12.22 mm) (ZSI-WRC C.1546) (J-M). A, F, J, Cephalothorax in frontal view depicting orbits, eyes, frontal margin, epistome, and antennular fossae; B, G, K, cephalothorax in dorsal view depicting overall shape; C, H, L, left G1 in dorsal view (setae excluded); D, I, left vulva on s6; E, major or left chela in outer view; M, major or right chela in outer view (horizontally flipped).

Figure 1. Map showing the distribution of known species of Ghatiana in the Northern- and Central Western Ghats of India.

Figure 2. Ghatiana dvivarna sp. nov., color in life. A, Holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075); B, paratype female (29.97 × 15.98 mm) (ZSI-WRC C.2076).

Figure 3. Ghatiana dvivarna sp. nov., holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075). A, Overall dorsal view; B, overall frontal view; C, overall ventral view. Scale bar = 10 mm.

Figure 4. Ghatiana dvivarna sp. nov., holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075). A, Left third maxilliped; B, major or left chela in outer view; C, pleon and telson; D, left G1 in dorsal view; E, left G1 in ventral view; F, left G2. Scale bars = 10 mm (B), 5 mm (C), 2 mm (A), 1 mm (D-F).

Figure 5. Ghatiana dvivarna sp. nov., paratype female (29.97 × 15.98 mm) (ZSI-WRC C.2076). A, Overall dorsal view; B, overall frontal view; C, pleonal somites 4-6 and telson; D, thoracic sternites showing vulvae. Scale bars = 10 mm (A, B), 5 mm (C, D).

Figure 6. Ghatiana dvivarna sp. nov. A, View of the general habitat at the type locality; B, a crab in its natural habitat; C, a crab while feeding on the mosses growing on a laterite rock.

Figure 7. Ghatiana dvivarna sp. nov., holotype male (24.66 × 13.61 mm) (ZSI-WRC C.2075) (A-E); Ghatiana basalticola (Klaus, Fernandez and Yeo, 2014Klaus, S.; Fernandez, K. and Yeo, D.C.J. 2014. Phylogeny of the freshwater crabs of the Western Ghats (Brachyura, Gecarcinucidae). Zoologica Scripta, 43: 651-660.), holotype male (17.30 × 10.10 mm) (IISc-CES) (F-I); Ghatiana pulchraPati and Thackeray, 2018Pati, S.K. and Thackeray, T. 2018. The freshwater crab genera Ghatiana Pati and Sharma, Gubernatoriana Bott, and Inglethelphusa Bott (Crustacea: Decapoda: Brachyura: Gecarcinucidae) revisited, with descriptions of a new genus and eleven new species. Zootaxa, 4440: 1-73., holotype male (19.37 × 12.22 mm) (ZSI-WRC C.1546) (J-M). A, F, J, Cephalothorax in frontal view depicting orbits, eyes, frontal margin, epistome, and antennular fossae; B, G, K, cephalothorax in dorsal view depicting overall shape; C, H, L, left G1 in dorsal view (setae excluded); D, I, left vulva on s6; E, major or left chela in outer view; M, major or right chela in outer view (horizontally flipped).

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Sociedade Brasileira de Carcinologia Instituto de Biociências, UNESP, Campus Botucatu, Rua Professor Doutor Antônio Celso Wagner Zanin, 250 , Botucatu, SP, 18618-689 - Botucatu - SP - Brazil
E-mail: editor.nauplius@gmail.com

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A new species of the freshwater crab genus <i>Ghatiana</i> Pati and Sharma, 2014 (Brachyura: Gecarcinucidae) from the Central Western Ghats, India

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[1] CORRESPONDING AUTHOR
Sameer Kumar Pati sameer_pati@yahoo.co.in