Hydrozoa |
Leptothecata |
Symplectoscyphidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Benthic; depth range 0 - 150 m (Ref. 137490). Tropical
Indo-Pacific and Western Central Atlantic. Introduced in the Mediterranean Sea.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Minimum depth from Ref. 87156. Found in patch reefs, Thalassia sp. beds, reef crest, and fore-reef slopes on algae and Thalassia sp. blades at depths of 0.2 to 31 m. As with other hydroids (e.g., Eudendrium sp., Pennaria disticha, Cryptolaria exserta, and Sertularella diaphana), this species exhibits a pelagic medusiod stage (Refs. 87156, 137490). Also observed under an overhang (Ref. 97576). Also reported to grow on floating seaweed, gorgonid soft corals, coral rubbles, and various biogenic structures such as sponges, worm tubes, shells, and ascidians (Ref. 137490).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Leptothecata include L-form hydroids. Life cycle: The zygote develops into planula and later into polyp then into free-swimming medusa.
Song, X., M. Lyu, R. Bernhard, J. Wang and C. Gravili 2019 Unexpected systematic affinities and geographic expansion of a marine alien hydroid (Cnidaria: Hydrozoa). Systematics and Biodiversity 17(3):230-244. (Ref. 137490)
IUCN Red List Status
(Ref. 130435: Version 2025-2 (Global))
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Harmless
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowthMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionAbundance Life cycleReproductionMaturityFecunditySpawningEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models