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Morphological Features of Congridae, Cepolidae, and Priacanthidae Families

Detailed descriptions of morphological features of Uroconger sp., Acanthocepola sp., and Priacanthus sp. larvae sampled at Similan Island. Includes myomere count, pigmentation patterns, head spination, sampling locations, and similar families. Before and after staining images provided.

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Morphological Features of Congridae, Cepolidae, and Priacanthidae Families

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  1. MORPHOLOGICAL FEATURES of the FAMILIES CONGRIDAE, CEPOLIDAE, & PRIACANTHIDAE by: Ms. Jennifer G. Viron BFAR-MFDC, PHILIPPINES

  2. Family: Congridae Subfamily: Congrinae Genus: Uroconger sp.

  3. Myomere: 128 1.69 mm SnL: 0.85 mm, ED: 0.35 mm 2.08 mm 13.65 mm 14.3 mm Family: Congridae Species Name: Congrinae (Subfamily) Uroconger sp. (genus) Sampling Location: Similan Island Sampling Gear: Ring Net Stage: Leptocephali Larvae Similar Family Anguillidae Pigmentation -Under the eyes. -Gut. -Along the midline (single row) -Along the caudal fin Head Spination -None

  4. Family: Cepolidae Subfamily: Cepolinae Genus: Acanthocepola sp.

  5. 2.5 mm Myomere: 78 Family: Cepolidae Species Name: Acanthocepola sp. (Genus) Sampling Gear: Bongo Net Sampling Site: West Kalimantan Stage: Flexion SnL: 0.35 mm, ED: 0.5 mm P1: 18 1.6 mm 2.6 mm 5.7 mm Pigmentation -Head, gut, and gas bladder -Lateral surface of the operculum -Lower margin of the dentary -Margin of the preopercle -Caudal peduncle and caudal fin base Head Spination Supraoccipital, supraocular, dentary, preopercular, frontal, supracleithral, midoperculum, maxilla, posttemporal, pterotic, infraorbital

  6. Similar Families Caproids Priacanthids Lethrinids Lobotids Holocentrids Leiognathids Ephippidids Drepaneids

  7. Before Staining After Staining Family: Priacanthidae, Genus: Priacanthus sp.

  8. 2.15 mm Vertebrae: 23 0.65 mm 0.8 mm X,14 2.75 mm 17 8+8 III,15 I,5 Pigmentation -Head and gut -Tail region -Membrane of dorsal spines -Tip of upper lip & edge of lower lip -Edge of lower socket of the eye 3.55 mm 6.4 mm Family: Priacanthidae Species Name: Priacanthus sp. Sampling Location: Similan Island Sampling Gear: Ring Net Stage: Post Flexion Stage Head Spination Supraoccipital, preopercle, supraorbital, dentary, post temporal, supracleithral, interopercular, opercular, and frontal

  9. Similar Families: Lethrinid Leiognathid Lobotid Hapalogenys Caproid Cepolids Holocentrids Monocanthid Balistids

  10. THANK YOU!

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