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A sponge
Sponge & Cnidarian
A sponge
Crellomima mehqisinpekonuta Goodwin, Dinn, Nefedova, Nijhof, Murillo & Nozères, 2021
WoRMS AphialID
1531954
Sample IDs
ESS6 https://bench.boldsystems.org/index.php/MAS_DataRetrieval_OpenSpecimen?selectedrecordid=ATCSP025-23; ESS37 https://bench.boldsystems.org/index.php/MAS_DataRetrieval_OpenSpecimen?selectedrecordid=ATCSP036-23; ARC82132 https://bench.boldsystems.org/index.php/MAS_DataRetrieval_OpenSpecimen?selectedrecordid=ATCSP257-24; ARC81678 https://bench.boldsystems.org/index.php/MAS_DataRetrieval_OpenSpecimen?selectedrecordid=ATCSP210-24;
Collected
Nova Scotia (Eastern Shores), Bay of Fundy, Labrador
Distinguishing Features
• External appearance (Fig. A-C): Gold to bright orange thinly encrusting sponge. Irregularly spaced oscula are surrounded by stellate channels. Between these, the entire surface is covered with small punctate pore sieves (<0.5 mm in diameter).
• Skeleton (Fig. D): A layer of erect basal acanthostyles, heads down, echinate the substrate. Ascending columns of 15–20 tornotes fan out towards the surface, supporting a dense ectosomal crust of tangential acanthostyles. Chelae are scattered very sparsely throughout the tissue.
• Spicules: Basal acanthostyles 136(164)208 by 8(9)11 μm (Fig. E), Tornotes 185(204)218 by 4(6)7 μm (Fig. F, G), Ectosomal acanthostyles 102(129)163 by 4(5)7 μm (Fig. H) and Chelae 19-25 μm. (Fig. I).
Habitat
Encrusts bedrock. Has been found in depths of up to 40 m.
Geographic Range
The type locality is Deer Island in the Bay of Fundy. It seems to be common in the Bay of Fundy and around Nova Scotia.
Fun Fact
Specimens from the Bay of Fundy, the type locality, were all bright orange but some of the specimens from the Eastern Shore Islands were gold in colour. Spicule form and other characteristics were identical, so we believe them to be conspecific.
Barcode Distribution
Private BIN only containing our specimens.
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