Lissodendoryx (Lissodendoryx) complicata

Identification

Morphology: White, branched, bush-like, white
Size: The specimens investigated in Tompkins et al. (2017) were 8-20 cm long.

Habitat

Geographical Distribution:
Ægir Ridge, 1850-1950m (Brix et al., 2022)

Schulz Bank (Meyer et al., 2023)

Mohn’s Treasure (Ramirez-Llodra et al., 2020)

Fåvne (Gjærløw, 2023)

Davis Strait, 471-1478 m (Tompkins et al., 2017)
Substrate: Hard

Ecology

Mobility: Sessile
Food Web: Filter feeder

Life History

Conservation Status

Red List: Not registered/evaluated. Listed as an indicator for VME category "Deep sea sponge ground" by ICES (ICES, 2020).

Comments

General: Can be hard to separate individuals, are sometimes counted as numbers of "clusters".

References

Tompkins, G. and Baker, E. and Anstey, L. and Walkusz, W. and Siferd, T. and Kenchington, E. (2017). Sponges from the 2010-2014 Paamiut Multispecies Trawl Surveys, Eastern Arctic and Subarctic: Class Demospongiae, Subclass Heteroscleromorpha, Order Poecilosclerida, Family Coelosphaeridae, Genera Forcepia and Lissodendoryx. Canadian Technical Report of Fisheries and Aquatic Sciences. Link
Brix, Saskia and Kaiser, Stefanie and Lörz, Anne-Nina and Saout, Morgane Le and Schumacher, Mia and Bonk, Frederic and Egilsdottir, Hronn and Olafsdottir, Steinunn Hilma and Tandberg, Anne Helene S. and Taylor, James and Tewes, Simon and Xavier, Joana R. and Linse, Katrin (2022). Habitat variability and faunal zonation at the Ægir Ridge, a canyon-like structure in the deep Norwegian Sea. PeerJ. DOI Link
Meyer, H. K. and Davies, A. J. and Roberts, E. M. and Xavier, J. R. and Ribeiro, P. A. and Glenner, H. and Birkely, S. -R. and Rapp, H. T. (2023). Beyond the tip of the seamount: Distinct megabenthic communities found beyond the charismatic summit sponge ground on an arctic seamount (Schulz Bank, Arctic Mid-Ocean Ridge). Deep Sea Research Part I: Oceanographic Research Papers. DOI Link
Ramirez-Llodra, Eva and Hilario, Ana and Paulsen, Emil and Costa, Carolina Ventura and Bakken, Torkild and Johnsen, Geir and Rapp, Hans Tore (2020). Benthic Communities on the Mohn's Treasure Mound: Implications for Management of Seabed Mining in the Arctic Mid-Ocean Ridge. Frontiers in Marine Science. DOI Link
Gjærløw, Sofie (2023). Characterisation of Megabenthic Community Structure at the Fåvne Hydrothermal Vent Field, with Implications for Environmental Management of Seabed Mining. Link
ICES (2020). ICES NAFO Joint Working Group on Deep-water Ecology (WGDEC). DOI Link

Lissodendoryx (Lissodendoryx) complicata

Lissodendoryx complicata, other sponges, and crinoids.

Depth: 2374 m.

Image by GoNorth-2022 (ÆGIR6000/NORMAR)

Depth: 2697 m.

Image by NOD/UiB-2024 (ÆGIR6000/NORMAR)

Depth: 2688 m.

Image by NOD/UiB-2024 (ÆGIR6000/NORMAR)

Taxonomy Summary

Phylum Porifera
Class Demospongiae
Order Poecilosclerida
Family Coelosphaeridae
Genus Lissodendoryx