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Larval development of stinging catfish, (a) Hatchling; (b) 4 h old larva; (c) 8 h old larva; (d) 24 h old larva; (e) 36 h old larva; (f) 48 h old larva; (g) 3 d old larva; (h) 6 d old larva; (i) 10 d old larva; (j) 15 d old larva; (k) 20 d old post-larva; (l) 25 d old post-larva (m) 30 d old post-larva.
