Molluscs Attached To A Rocky Substrate In The Manado Mall Reclamation Area, Bahu Sub-District, Manado

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Vol. 7 No. 1 (2023): April 2023
Published: Apr 1, 2023
Keywords:
Density,
Diversity,
Mollusks ,
Rocky Substrate ,
Size Distribution

Main Article Content

Vegi
Program Studi Ilmu Kelautan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Jl. Kampus Unsrat Bahu, Manado 95115 Sulawesi Utara, Indonesia
Gustaf
Masyarakat Moluska Indonesia, https://www.masyarakatmoluskaindonesia.org/ , 3Program Studi Magister Ilmu Perairan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Jl. Kampus Unsrat Bahu, Manado 95115 Sulawesi Utara, Indonesia
Indri
Program Studi Magister Ilmu Perairan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Jl. Kampus Unsrat Bahu, Manado 95115 Sulawesi Utara, Indonesia
Erly
Program Studi Ilmu Kelautan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Jl. Kampus Unsrat Bahu, Manado 95115 Sulawesi Utara, Indonesia
Medy
Program Studi Ilmu Kelautan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Jl. Kampus Unsrat Bahu, Manado 95115 Sulawesi Utara, Indonesia , Masyarakat Moluska Indonesia, https://www.masyarakatmoluskaindonesia.org/
Suzanne
Program Studi Budidaya Perairan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Jl. Kampus Unsrat Bahu, Manado 95115 Sulawesi Utara, Indonesia
Maxs
Program Studi Pascasarjana Ilmu Kelautan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor

Abstract

Cyclophorus is one of the genera in terrestrial gastropods that inhabits forest floor, leaf litter, rocks, and decayed wood. This research aims to determine the morphological and anatomical characters of the genus Cyclophorus in Indonesia and its phenetic relationship. Descriptive method was applied by conducting observation on shell, operculum, as well as anatomical characters. Cluster analysis in Rstudio was conducted to analyze the morphological data and to see its phenetics relationship. Based on 214 shell and 21 genitalia, 12 Cyclophorus species and subspecies stored in the Museum Zoologicum Bogoriense (from the total of 20 species and subspecies in Indonesia) were identified. The morphological character of the Cyclophorus in Indonesia (shell and operculum) can be differentiated based on the shell shape, shell pattern, spiral bands, the number of whorls, shell diameter, and operculum. Diagnostic characters in the genitalia are the bursa copulatrix and oviduct (female), and penis (male). The cluster analysis shows the separation of adult shells and operculum into six (6) groups i.e. (1) C. nigricans from Sulawesi is allegedly a distinctive species of the eastern region in Indonesia; (2) C. rafflesii eximius from Sumatra and Java; (3) C. theobaldianus from Kalimantan; (4) C. rafflesii dan C. rafflesii rafflesii from Sumatra and Java; (5) C. schepmani and C. stevenabbasorum from Sumatra which an allegedly the typical species of  Sumatra; and (6) C. tuba plicifera,  C. tuba, C. perdix, C. perdix perdix and C. perdix borneensis from Sumatra, Java and Kalimantan.

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How to Cite
Yulianti, N. L. V. Y., N. G. F. M. Mamangkey, I. S. M. Manembu, E. Y. K. Kaligis, M. O. Ompi, S. L. U. Undap, and M. M. Maxs. “Molluscs Attached To A Rocky Substrate In The Manado Mall Reclamation Area, Bahu Sub-District, Manado”. Jurnal Moluska Indonesia, vol. 7, no. 1, Apr. 2023, pp. 26–35 , doi:10.54115/jmi.v7i1.77.
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