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Peer-reviewedCC BYZooKeys

A pictorial key to Southeast Asian species of Collotheca (Rotifera, Collothecidae), with a new species from Thailand.

  • Phuripong Meksuwan1
  • Rapeepan Jaturapruek2,3
  • Thanida Saetang3,4
  • Yurachat Meksuwan5
  • Wijitra Choedchim6
  • Phannee Sa-Ardrit7
  • Diego Fontaneto8
  • Supiyanit Maiphae2,3
8 affiliations
  1. 1Science Program (Biology), Faculty of Science and Technology, Phuket Rajabhat University, Phuket 83000, Thailand Science Program (Biology), Faculty of Science and Technology, Phuket Rajabhat University Phuket Thailand https://ror.org/03mh64g46.
  2. 2Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University, Bangkok 10900, Thailand Animal Systematics and Ecology Speciality Research Unit (ASESRU), Department of Zoology, Faculty of Science, Kasetsart University Bangkok Thailand https://ror.org/05gzceg21.
  3. 3Biodiversity Center Kasetsart University (BDCKU), Kasetsart University, Bangkok 10900, Thailand Biodiversity Center Kasetsart University (BDCKU), Kasetsart University Bangkok Thailand https://ror.org/05gzceg21.
  4. 4Department of Fishery Biology, Faculty of Fisheries, Kasetsart University, Bangkok 10900, Thailand Department of Fishery Biology, Faculty of Fisheries, Kasetsart University Bangkok Thailand https://ror.org/05gzceg21.
  5. 5Faculty of Technology and Environment, Prince of Songkla University, Phuket Campus, Phuket 83120, Thailand Faculty of Technology and Environment, Prince of Songkla University Phuket Thailand.
  6. 6Faculty of Science and Technology, Princess of Naradhiwas University, Narathiwat 96000, Thailand Faculty of Science and Technology, Princess of Naradhiwas University Narathiwat Thailand https://ror.org/03s336c88.
  7. 7Princess Maha Chakri Sirindhorn Natural History Museum and RSPG Southern Region Network Coordinating Center, Prince of Songkla University, Songkhla 90110, Thailand Princess Maha Chakri Sirindhorn Natural History Museum and RSPG Southern Region Network Coordinating Center, Prince of Songkla University Songkhla Thailand.
  8. 8National Research Council of Italy, Water Research Institute (CNR-IRSA), Largo Tonolli 50, 28922 Verbania Pallanza, Italy National Research Council of Italy, Water Research Institute (CNR-IRSA) Verbania Pallanza Italy.
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Abstract

A new species is described from Thailand, Collotheca laddae sp. nov., and a pictorial key to all Collotheca species and subspecies recorded in Southeast Asia is provided. The new species was discovered during a freshwater zooplankton identification workshop. This species is characterized by a five-lobed infundibulum with very small lateral lobes and short vibratile setae. The pictorial key was developed from a review of original descriptions and illustrations of all valid species of Collotheca and is designed to facilitate species-level identification based on live specimens. The discovery of C. laddae sp. nov., together with the absence of new regional records for more than a decade, indicates that sessile rotifer diversity in Southeast Asia remains insufficiently explored.

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Cite

BibTeXRIS
BibTeX
@article{meksuwan2026pictorial,
  title = {{A pictorial key to Southeast Asian species of Collotheca (Rotifera, Collothecidae), with a new species from Thailand.}},
  author = {Phuripong Meksuwan and Rapeepan Jaturapruek and Thanida Saetang and Yurachat Meksuwan and Wijitra Choedchim and Phannee Sa-Ardrit and Diego Fontaneto and Supiyanit Maiphae},
  journal = {ZooKeys},
  year = {2026},
  month = oct,
  doi = {10.3897/zookeys.1294.206505},
  url = {https://europepmc.org/article/MED/42909233},
  note = {CC BY},
}
RIS
TY  - JOUR
TI  - A pictorial key to Southeast Asian species of Collotheca (Rotifera, Collothecidae), with a new species from Thailand.
AU  - Phuripong Meksuwan
AU  - Rapeepan Jaturapruek
AU  - Thanida Saetang
AU  - Yurachat Meksuwan
AU  - Wijitra Choedchim
AU  - Phannee Sa-Ardrit
AU  - Diego Fontaneto
AU  - Supiyanit Maiphae
PY  - 2026
DA  - 2026/10/13
JO  - ZooKeys
DO  - 10.3897/zookeys.1294.206505
UR  - https://europepmc.org/article/MED/42909233
AB  - A new species is described from Thailand, Collotheca laddae sp. nov., and a pictorial key to all Collotheca species and subspecies recorded in Southeast Asia is provided. The new species was discovered during a freshwater zooplankton identification workshop. This species is characterized by a five-lobed infundibulum with very small lateral lobes and short vibratile setae. The pictorial key was developed from a review of original descriptions and illustrations of all valid species of Collotheca and is designed to facilitate species-level identification based on live specimens. The discovery of C. laddae sp. nov., together with the absence of new regional records for more than a decade, indicates that sessile rotifer diversity in Southeast Asia remains insufficiently explored.
SN  - 1313-2989
SN  - 1313-2970
ER  -