The Identification and Morphological Description of Parmarion martensi in The Protected Forest Area of The Southern Tip of Tarakan

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Vol. 10 No. 2 (2026): Oktober 2026
Published: Oct 8, 2026

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lisdawati lisdawati
Program Studi Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Borneo Tarakan, jl. Amal Lama No.1, Tarakan Timur, Kota Tarakan, Kalimantan Utara,77115, Indonesia
Bimo Aji Nugroho
Program Studi Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Borneo Tarakan, jl. Amal Lama No.1, Tarakan Timur, Kota Tarakan, Kalimantan Utara,77115, Indonesia
Nursia Nursia
Program Studi Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Borneo Tarakan, jl. Amal Lama No.1, Tarakan Timur, Kota Tarakan, Kalimantan Utara,77115, Indonesia

Abstract

This study aims to identify and describe the morphology of shell-less snails (slugs) in the Gunung Selatan Protected Forest area of ​​Tarakan City. The research used a descriptive qualitative approach with a purposive sampling method. Sampling was conducted from November to December 2025 at four observation stations, each using a 20 x 20 meter plot. The results showed that one shell-less snail species was found at all observation stations, namely Parmarion martensi. This species has unique morphological characteristics in the form of a reduced shell as a form of adaptation to its environment. Environmental conditions at the study site support the survival of this species with average parameters: light intensity 226–911 lux, soil pH 5.2–6.0, air temperature 25.8–29.5°C, air humidity 84.8–94% RH, and soil moisture 3.5–4.5%. This data can help understand the concept of morphological adaptation and the relationship of living things to their environment through real phenomena in the surrounding environment

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lisdawati, lisdawati, B. A. Nugroho, and N. Nursia. “The Identification and Morphological Description of Parmarion Martensi in The Protected Forest Area of The Southern Tip of Tarakan”. Jurnal Moluska Indonesia, vol. 10, no. 2, Oct. 2026, pp. 66-73, doi:10.54115/jmi.v10i2.171.
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