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Syngnathoides biaculeatus  (Bloch, 1785)

Alligator pipefish
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| Native range | All suitable habitat | PointMap | Year 2100 |
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Syngnathoides biaculeatus   AquaMaps   Data sources: GBIF OBIS
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Image of Syngnathoides biaculeatus (Alligator pipefish)
Syngnathoides biaculeatus
Picture by Adams, M.J.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Syngnathiformes (Pipefishes and seahorses) > Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Syngnathoides: Greek, syn, symphysis = grown together + Greek, gnathos = jaw (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; non-migratory; depth range 0 - 10 m (Ref. 90102).   Tropical; 32°N - 32°S

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 19 - ? cm
Max length : 29.0 cm TL male/unsexed; (Ref. 4281)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 38-48; Anal spines: 0; Anal soft rays: 4. Variable green to brown or grey, depending on habitat (Ref. 48635).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: Red Sea and Knysna, South Africa (Ref. 4281) to Samoa, north to southern Japan, south to New South Wales.

Biology     Glossary (e.g. epibenthic)

Occur in protected coastal shallows over or among algae, seagrasses (Ref. 41878), or floating weeds (Ref. 1602). Juveniles occasionally found near the surface (Ref. 4281). Ovoviviparous (Ref. 205). The males carry the eggs in a brood pouch which is found under the tail (Ref. 205). Used in Chinese medicine to extract Hailong, one of the important drugs (Ref. 12206). Has been reared in captivity (Ref. 35416).

Main reference Upload your references | References | Coordinator | Collaborators

Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Aquarium: public aquariums
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | Public aquariums | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00049 (0.00021 - 0.00115), b=3.12 (2.92 - 3.32), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.6   ±0.6 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming annual Fec<1000).
Vulnerability (Ref. 59153):  Low vulnerability (16 of 100) .
Price category (Ref. 80766):   Unknown.