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Trachyrhamphus bicoarctatus  (Bleeker, 1857)

Double-ended pipefish
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Trachyrhamphus bicoarctatus   AquaMaps   Data sources: GBIF OBIS
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Image of Trachyrhamphus bicoarctatus (Double-ended pipefish)
Trachyrhamphus bicoarctatus
Picture by Honeycutt, K.

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: Trachyrhamphus: Greek, trachys, -eia, -ys = rough + Greek, rhamphos = bill (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 1 - 42 m (Ref. 1602).   Tropical; 32°N - 23°S

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

Indo-West Pacific: Red Sea and East Africa (Ref. 4281) to New Caledonia, north to southern Japan; Mariana Islands in Micronesia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 48635)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 24-32; Anal spines: 0; Anal soft rays: 4. Brownish in color, usually with small spots on trunk (Ref. 4281).

Biology     Glossary (e.g. epibenthic)

Inhabits subtidal lagoon and seaward reefs, usually among algae or seagrasses (Ref. 9710). Most are seen on sand and mud areas, prone to currents; usually soft bottom to about 25 m (Ref. 48635). Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Male carries the eggs in a brood pouch (Ref. 205).

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. 115185)

CITES (Ref. 108899)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Preferred temperature (Ref. 115969): 25 - 29.1, mean 28.2 (based on 1160 cells; Ref. 115970).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00049 (0.00022 - 0.00110), b=3.10 (2.91 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.8   ±0.50 se; Based on food items.
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (28 of 100) .