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. 2023 Dec 1;154(6):3526–3542. doi: 10.1121/10.0022565

FIG. 7.

FIG. 7.

(Color online) Proliferation of SNs in deep-sea stomiiform fishes: Hatchetfishes, Family Sternoptychidae, (A) Argyropelecus affinis, (B) A. hemigymnus. Bristlemouths, Family Gonostomatidae; (C) Cyclothone spp. (based on whole preserved specimens of C. acclinidens, C. braueri, C. microdon, C. signata). Dragonfishes, Family Stomiidae: (D) Gonostoma elongatum, (E) Idiacanthus antrostomus. (A)–(E) CNs (red), SNs (blue), photophores (black), pores (open circles), LL canals (dotted lines) are illustrated; neuromasts are slightly enlarged to enhance visibility. (F) SNs (“white dots,” indicated by arrowheads) rostral to eye in Argyropelecus affinis. (G) A histological section revealing the structure of a SN with central hair cells on head of A. aculeatus. (H) SEM of a SN [the same tissue as in (F)] revealing the oval shape and long kinocilia of the sensory hair cells in a central area (sensory strip); double-headed arrow = axis of best physiological sensitivity. (A)–(F) Modified from Marranzino and Webb, “Flow sensing in the deep sea: The lateral line system of stomiiform fishes,” Zool. J. Linn. Soc. 183(4), 945–965 (2018), by permission of The Linnean Society of London. (G) and (H) Licensed under a Creative Commons Attribution-Noncommercial-ShareAlike license, Museum of Comparative Zoology, Harvard University; Copyright President and Fellows of Harvard College.