HomeFish encyclopediaRay-finned fishesPipefishes and SeahorsesPipefishes and seahorsesTidepool pipefish Tidepool pipefish (Micrognathus micronotopterus) Scientific name: Micrognathus micronotopterus Fowler, 1938 The Tidepool pipefish (Micrognathus micronotopterus) is a marine fish of the family Syngnathidae. Native range: Western Pacific, Singapore, western Indonesia, Australia, and the Philippines. BiologyOccurs in tide pools and reef habitats from 1.5 to 5.5 m. Ovoviviparous. The male carries the eggs in a brood pouch which is found under the tail.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMicrognathus micronotopterusFamilySyngnathidae (Pipefishes and seahorses)OrderSyngnathiformes (Pipefishes and Seahorses)ClassActinopterygii (Ray-finned fishes)Maximum length5.7Depth range2–6 m (7–20 ft)EnvironmentMarine; reef-associated; depth range 2 - 6 mClimateTropicalDistributionWestern Pacific: Singapore, western Indonesia, Australia, and the Philippines.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026