pl23_expl1897.jpg
![Most algae need a hard substrate upon which to anchor with their holdfast expl1897.jpg Most algae need a hard substrate upon which to anchor with their holdfast](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl1897.jpg)
Description
Most algae need a hard substrate upon which to anchor with their holdfast. Insilty mud bottoms they must compete for space on available shell debris withother organisms , as shown here by the red alga Graciliara blodgettii at 100meters depth on McGrail Bank.
Credit
Gulf of Mexico Deep Sea Habitats Expedition/NOAA/OAR/OER; FGBNMS/UNCW-NURC
Display Date
2003
Location
Gulf of Mexico
Collection
Voyage to Inner Space
Keywords
Ocean Exploration