Micrognathus natans Dawson, 1982
Offshore pipefish

Family:  Syngnathidae (Pipefishes and seahorses), subfamily: Syngnathinae
Max. size:  6 cm TL (male/unsexed)
Environment:  demersal; marine; depth range 0 - 25 m
Distribution:  Western Central Pacific: Christmas Island, Philippines, Queensland (Australia), off New Caledonia and the Fiji Islands.
Diagnosis:  Dorsal soft rays (total): 16-18; Anal soft rays: 2-4. Similar to M. andersonii but more slender, longer snout and has fewer trunk-rings, normally 14 versus 15-17 (Ref. 48635). Description: Characterized by dark brown color with 8-12 narrow whitish bars across back; head, trunk and tail ridges usually with small white spots; 10 caudal rays; rings 14-15 + 37-31; discontinuous superior trunk and tail ridges; inferior trunk ridge ends at anal ring; continuous lateral trunk ridge with inferior tail ridge; length of snout 2.2-2.5 in head length; depth of snout 2.9-4.0 in snout length; head length 6.9-7.8 in SL (Ref. 90102).
Biology:  Specimens known only from plankton samples collected by midwater trawl or surface dipnet. Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 26 April 2016 Ref. (130435)
Threat to humans:  harmless


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