Hippichthys heptagonus Bleeker, 1849
Belly pipefish

Pipefish Dagum-dagum, 

Hippichthys heptagonus
photo by FAO

 Family:  Syngnathidae (Pipefishes and seahorses), subfamily: Syngnathinae
 Max. size:  15 cm SL (male/unsexed)
 Environment:  demersal
 Distribution:  Africa, Asia and Oceania: South Africa and Kenya to the Solomon Islands and in some Philippine lakes.
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 22-30. Preserved color dusky greenish gray; underside of head whitish; ventral keel and caudal fin blackish. Body: trunk heptagonal; very long tail 4-sided; covered with finely-sculptured plates with fine ridges; knife-like keel on the belly made up of sculptured plates. Head conical posteriorly; large elongate snout very narrow with concave plates; operculum with prominent median longitudinal keel; nape with a median crest. Dorsal fin only at the first 6 rings of tail; pectoral and caudal fins small.
 Biology:  Common in the lower reaches of rivers and streams, and in estuarine habitats. Ovoviviparous (Ref. 205, 44894). Occurs in mangrove estuaries and tidal creeks (Ref. 44894). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205). Male matures at 7.5-8.0 cm SL.
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:  Recorded from Lake Taal (Ref. 5316, 12165, 13446). Specimens were collected from Ambacan River at Baybay, Leyte in 1993 (Ref. 7223). Reported from Lake Bombon (=Taal, Ref. 13446), Batangas; Mangso River, Albay; Malabon; and, Cebu (Ref. 280). Also Ref. 7050, 12157.

 Entered by: Capuli, Estelita Emily - 26.03.92
 Modified by: OrtaƱez, Auda Kareen - 05.11.08
 Checked by: Froese, Rainer - 23.03.94

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