FIGURE 5. a in Redescription of the alpheid shrimp Betaeus levifrons Vinogradov, 1950 (Crustacea, Decapoda, Alpheidae) from Peter the Great Bay, Russian coast of the Sea of Japan

FIGURE 5. a—Betaeus levifrons Vinogradov, 1950 (Alpheidae), adult male; b—burrowing decapods collected at the same site as B. levifrons: 1, 2—Callianasa petalura Stimpson, 1860 (Callianassidae) (1—female, 2—male); 3—Upogebia major (de Haan, 1841) (Upogebiidae)—the host for 4—B. levifrons.