Histological sections of gonads of Lutjanus gibbus from Fiji. (A) Ovary of immature female (21.6 cm LF) containing only primary-growth oocytes; (B) ovary of mature female (27.3 cm LF) containing a mixture of oocyte stages including final maturation (IV); (C) testis from an immature male (22.6 cm LF) containing no tailed spermatozoa; (D) testis of a mature male (29.8 cm LF:) with tailed spermatozoa (S); scale bars = 100 μm (A and B) or 50 μm (C and D).

  Part of: Longenecker K, Franklin EC, Hill-Lewenilovo R, Lalavanua W, Langston R, Mangubhai S, Piovano S (2022) Many immature individuals and largest size classes lacked females for three coral reef fishes (Actinopterygii) in Fiji market surveys: Implications for fishery management. Acta Ichthyologica et Piscatoria 52(1): 53-65. https://doi.org/10.3897/aiep.52.80586