Skip to main content

Table 2 Size ranges of the cnidae capsules of Ostiactis pearseae [5]. N total number of capsules measured. S ratio of number of specimens in which each cnidae was found/number of specimens examined. F frequency, +++ = very common, ++ = common, + = rather common, * = sporadic

From: Mixotrophic chemosynthesis in a deep-sea anemone from hydrothermal vents in the Pescadero Basin, Gulf of California

Body region-Cnidae category Range length × width (μm) Avg ± SD N S F Range length × width (μm)3
Column1
 Basitrichs 17.2–26.0 × 2.6–4.4 21.7 ± 2.3 × 3.4 ± 0.3 122 6/6 ++ 13.1–22.5 × 1.9–3.0
 Holotrichs 16.9–24.7 × 4.8–8.6 21.5 ± 2.0 × 6.4 ± 0.8 67 4/6 */++ 16.6–27.0 × 3.5–5.5
p-mastigophores B1   0/6   17.8–33.9 × 2.6–5.3
Tentacles
 Robust spirocysts 15.9–41.9 × 4.2–8.8 26.0 ± 6.1 × 5.7 ± 1.0 85 5/5 ++ 16.3–35.5 × 2.1–5.8
 Basitrichs 15.2–33.2 × 2.3–4.3 23.3 ± 4.0 × 3.5 ± 0.5 113 5/5 +++ 16.2–29.8 × 2.2–4.6
 Holotrichs 15.6–28.5 × 4.0–9.3 23.3 ± 2.7 × 7.1 ± 1.0 79 5/5 + 23.1–34.4 × 2.9–6.9
Actinopharynx
 Basitrichs 1 16.4–20.2 × 2.6–3.2 18.1 ± 1.7 × 2.9 ± 0.2 5 2/3 * 16.8–26.3 × 2.0–3.3
 Basitrichs 2 23.7–34.0 × 3.3–4.6 27.9 ± 2.8 × 4.0 ± 0.4 20 2/3 ++ 25.6–44.5 × 3.0–4.3
p-mastigophores A2 23.3–38.1 × 4.7–6.9 30.7 ± 3.5 × 5.7 ± 0.5 53 3/3 ++
p-mastigophores B12 14.5–19.5 × 4.0–5.2 17.8 ± 1.7 × 4.5 ± 0.4 13 3/3 ++ 22.0–37.0 × 3.9–6.2
Filaments
 Basitrichs 15.3–23.3 × 2.5–3.5 18.5 ± 1.6 × 3.0 ± 0.2 50 4/4 */+ 14.1–22.5 × 1.8–2.9
p-mastigophores A2 26.5–37.8 × 4.8–6.7 32.8 ± 2.2 × 5.7 ± 0.5 49 4/4 +  
p-mastigophores B12 13.4–21.3 × 3.6–6.3 17.4 ± 1.7 × 4.6 ± 0.6 59 4/4 +++ 17.5–37.6 × 3.4–6.0
  1. 1Two specimens with papillae in distal column (see Fig. 2); papillae with only basitrichs of similar sizes than those in the rest of the column (i.e., 17.0–21.6 × 2.7–3.7 μm)
  2. 2Categories pooled together as microbasic p-mastigophores in Daly and Gusmão [5]
  3. 3Data from Daly and Gusmão [5]