Penelitian ini bertujuan untuk menganalisis keanekaragaman dan kelimpahan jenis kepiting Uca sp di Kawasan Konservasi Mangrove dan Bekantan Kota Tarakan (KKMB) serta menghasilkan produk berupa booklet berbasis potensi lokal pada submateri Invertebrata pada kelas X SMA/MA yang memenuhi aspek kelayakan. Model pengembangan penelitian ini diadaptasi dari prosedur pengembangan Borg & Gall (1983) yang disederhanakan menjadi lima tahap. Sampel penelitian adalah 12 orang siswa yang telah menempuh submateri invertebrata kelas Custacea. Teknik sampling yang digunakan adalah purposive sampling. Berdasarkan hasil penelitian di KKMB menunjukkan bahwa Jenis Kepiting Uca sp yang ditemukan ada 125 individu, terdiri dari 4 jenis. Berdasarkan indeks keanekaragaman (H’) nilai rata-rata adalah 0,34 (tergolong rendah). Sedangkan indeks kelimpahan menunjukkan nilai 4% (tinggi). Hasil validasi ahli dan praktisi diperoleh rata-rata persentase kelayakan sebesar 80% dengan kriteria layak. Hasil validasi respon siswa MAN Tarakan menunjukkan tingkat kelayakan produk sebesar 94% dengan kriteria sangat layak.

This study aims to analyze the variety and the abundance kinds of crab Uca sp in mangrove conservation area and proboscis monkey of Tarakan city also yield the product in the form of booklet based on local potential on sub material invertebrates on class X SMA/MA who fulfill feasibility aspect. The model of development of this study adapted from development procedure of Borg & Gall (1983) which simplified into five stages. The sample of this study are 12 students which have pursued sub material invertebrates from class custacea. The sampling technique that used was purposive sampling. Based on the result of the research in KKMB showed that kinds of crab Uca sp which was found that there were 125 individuals, consisting from 4 kinds. According to the index of variety (H’) the mean value is 0,34 (classified as low). While the abundance shows a value 4% (high). The result of the expert validation and practitioner obtained the average percentage of worthiness 80% with criteria of worthy. The result validation of respond from MAN students, it shows the level of products as much as 94% feasibility criteria it is very appropriate.