Actinopterygii (ray-finned fishes) > Syngnathiformes
(Pipefishes and seahorses) > Syngnathidae
(Pipefishes and seahorses) > Syngnathinae
Etymology: Siokunichthys: From Siokun Bay, Zamboanga peninsula, Philippines + Greek, ichthys = fish.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 1 - 10 m (Ref. 90102). Tropical
Western Indian Ocean: El Tur, Sinai Peninsula and Dahlak Archipelago (Ethiopia) in the Red Sea, and in the vicinity of Musha Islands, near Djibouti, in the Gulf of Aden. Also Manado region of northern Sulawesi, Indonesia (Ref. 90102).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 5173)
Morphology | Morphometrics
Occurs in coral and sandy bottoms and among coral branches from 0 to 9.1 m. Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205). Also found among Xenia soft coral in 1-10 m (Ref 90102).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Male carries the eggs in a brood pouch (Ref. 205).
Dawson, C.E., 1983. Synopsis of the Indo-Pacific pipefish genus Siokunichthys (Syngnathidae), with description of S. nigrolineatus n. sp. Pac. Sci. 37:49-63. (Ref. 5173)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 28.5 - 29.2, mean 28.9 (based on 608 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00051 (0.00023 - 0.00113), b=3.09 (2.90 - 3.28), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .