Deep-sea anemones (Cnidaria, Actiniaria) from off the northeastern coast of Brazil: new records and description of Stephanauge prima sp. nov.
Author
Targino, Alessandra K. G.
Universidade Federal Rural de Pernambuco, Grupo de Pesquisa em Antozoários, Departamento de Biologia, Rua Dom Manuel de Medeiros, s / n - 52171 - 900, Dois Irmãos, Recife - PE, Brazil.
Author
De Melo, Yago A.
Universidade de São Paulo, Laboratório de Invertebrados Marinhos, Museu de Zoologia da Universidade de São Paulo, Avenida Nazaré, 481 - 04263 - 000, Ipiranga, São Paulo - SP, Brazil.
Author
Gomes, Paula B.
Universidade Federal Rural de Pernambuco, Grupo de Pesquisa em Antozoários, Departamento de Biologia, Rua Dom Manuel de Medeiros, s / n - 52171 - 900, Dois Irmãos, Recife - PE, Brazil.
text
Zootaxa
2025
2025-01-14
5569
2
328
344
https://doi.org/10.11646/zootaxa.5569.2.6
journal article
307858
10.11646/zootaxa.5569.2.6
a46c1c74-1e83-4a44-8229-60c7dded18e7
1175-5326
14734022
E33541E2-C896-4889-8C03-337DD61509EE
TABLE 2: Distribution and size of the cnidae of Stephanauge prima sp. nov. Letters after each type of cnida refer to Fig. 3. L: Length range. A: average and SD: standard deviation. W: Width range. F: proportion of examined individuals, n: measured capsules; AB: abundance, (+++) = very common, (++) = common, (+-) = uncommon, (--) = rare.| Tissue and Cnida Type | L (A±SD) | W (A±SD) | F | n | AB |
|---|
| Tentacle |
|---|
| Robust spirocyst (a) | 27.5–57.2(42.5±8.4) | 5–13.2(7±2.1) | 6/6 | 120 | +++ |
|---|
| Gracile spirocyst (b) | 11–49.5(36.7±8.8) | 4–7.7(6.16±1.2) | 6/6 | 120 | +++ |
|---|
| Basitrich 1 (c) | 10–33(24.4±4.9) | 3.3–6(4.7±0.6) | 6/6 | 100 | ++ |
|---|
| Actinopharynx |
|---|
| Basitrich 1 (d) | 29.7–46.2(36.3±4.5) | 3–5(4±0.5) | 6/6 | 100 | ++ |
|---|
| P -mastigophore B1 (e) | 16.5–30(23.6±3.8) | 3–5.5(4.2±0.6) | 5/6 | 50 | + |
|---|
| Mesenterial filament |
|---|
| Basitrich 1 (f) | 16.5–30(23.6±3.8) | 3–5.5(4.2±0.6) | 5/6 | 80 | + |
|---|
| P -mastigophore B1 (g) | 13.2–28.6(25.4±3.4) | 3.5–5(4.1±0.7) | 6/6 | 100 | ++ |
|---|
| Acontia |
|---|
| Basitrich 2 (h) | 40.7–54(47.7±2.9) | 4–5.5(4.9±0.5) | 3/6 | 60 | +++ |
|---|
| Basitrich 3 (i) | 12–21(14.6±2) | 2–3.3(2.7±0.6) | 2/6 | 40 | -- |
|---|
| Column |
|---|
| Basitrich 1 | 20–30.4 (25.7±5.1) | 3.8–5 (4.4±0.4) | 3/3 | 60 | ++ |
|---|
| P -mastigophore B1 | 13.2–29.7 (22.3±4) | 4.5–5.4 (4.7±0.5) | 3/3 | 60 | ++ |
|---|
| Tentacles |
|---|
| Gracile spirocyst | 18.7–44 (34.7±6) | 3.5–6.6 (4.2±1) | 3/3 | 60 | +++ |
|---|
| Robust spirocyst | 31.9–68.2 (51±9.8) | 3.3–11 (7.4±1.5) | 3/3 | 60 | +++ |
|---|
| Basitrich 1 | 18.7–22 (20.3±2.2) | 2.5–5.5 (4±0.6) | 3/3 | 60 | ++ |
|---|
| Holotrich | 26.5–35.2 (30.8±4) | 5–8.8 (6.5±0.8) | 3/3 | 60 | +- |
|---|
| P –mastigophore B1 | 18.2–29.3 (23.7±3) | 4–5.6 (4.8±0.7) | 3/3 | 60 | ++ |
|---|
| Actinopharynx |
|---|
| Basitrich 1 | 22.2–30 (26.1±3.2) | 3.5–4.7 (4±0.7) | 3/3 | 60 | ++ |
|---|
| P –mastigophore B1 | 26.3–36.4 (31.5±4) | 4.4–5.5 (5±0.9) | 3/3 | 60 | ++ |
|---|
| Mesenterial filaments |
|---|
| Basitrich 1 | 9.9–21 (15.2±3.2) | 2–3.5 (2.6±0.5) | 3/3 | 40 | -- |
|---|
| P –mastigophore B1 | 10–21 (15.5±3.3) | 2.2–3.3 (2.7±0.5) | 3/3 | 60 | ++ |
|---|
| Acontia |
|---|
| Basitrich 2 | 11–25.3 (16.8±3.1) | 2–3.5 (2.8±0.6) | 2/3 | 40 | +- |
|---|
| Basitrich 3 | 33–52.8 (40.5±5.5) | 4,5–5.5 (5±0.5) | 2/3 | 60 | ++ |
|---|
| Tentacle |
|---|
| Robust spirocyst | 52.2–60.9 (54.8±3.4) | 8.7–14.5(10±2.5) | 6/6 | 60 | +++ |
|---|
| Gracile spirocyst | 23.2–34.8(28.6±5.3) | 5.8–8.7(7.3±1.5) | 6/6 | 60 | +++ |
|---|
| Basitrich 1 | 17.4–26.1(20.7±4.3) | 2.9–5.8(4±1.4) | 6/6 | 60 | ++ |
|---|
| P -mastigophore B1 | 23.2–31.9(27.4±3.9) | 5.8–8.7(7±1.4) | 5/6 | 60 | +- |
|---|
| Holotrich | 31.9–37.7(35.3.3±2.9) | 5.8–8.7(7.5±1.4) | 5/6 | 30 | - - |
|---|
| Actinopharynx |
|---|
| Basitrich 1 | 14.5–21.7 (17.9±3.6) | 2.9–4.3 (3.5±0.7) | 6/6 | 45 | +- |
|---|
| P -mastigophore B1 | 13–21.7 (17.2±4.4) | 2.9–5.8 (4.3±1.5) | 5/6 | 60 | +- |
|---|
| Mesenterial filament |
|---|
| Basitrich 1 | 14.5–20.3 (17.4±3) | 2.9–4.3 (3.6±0.8) | 5/6 | 30 | -- |
|---|
| P -mastigophore B1 | 13.9–21.7 (17±3.3) | 2.9–6.6 (4±1.7) | 6/6 | 60 | +- |
|---|
| Acontia* |
|---|
| Basitrich 2 | 34.8–46.4 (41.2± 5.9) | 2.8–5.5 (4.3±1.4) | 5/6 | 45 | +- |
|---|
| Basitrich 3 | 52.2–60.9 (56±4.3) | 5.8–8.7 (7.1±1.4) | 6/6 | 60 | +++ |
|---|
| Tentacles |
|---|
| Gracile spirocyst | 28.6–61.6 (41.7± 6.8) | 3–8.8 (4.8±1) | 3/3 | 60 | +++ |
|---|
| Robust spirocyst | 42.9–82.5 (55.2±7.9) | 1–11 (7.2±1.3) | 3/3 | 60 | +++ |
|---|
| Basitrich 1 | 12.1–20.9 (16.7±2) | 2.1–4.4 (3±0.5) | 3/3 | 60 | ++ |
|---|
| Basitrich 2 | 26.4–40.7 (31.2±2.7) | 3.2–4 (4.1±0.4) | 3/3 | 40 | +- |
|---|
| Holotrich | 23.1–44 (31.4±4.3) | 4.3–10 (7±1.3) | 2/3 | 40 | -- |
|---|
| Actinopharynx |
|---|
| Basitrich 2 | 25.2–46.2 (34.5±4.8) | 4.5–6 (5.1±0.9) | 3/3 | 60 | ++ |
|---|
| P -mastigophore B1 | 25.3–38.5 (31±3) | 4.5–5.5 (5±0.5) | 3/3 | 60 | + |
|---|
| Mesenterial filaments |
|---|
| Basitrich 1 | 15.4–26.3 (18.4±2.3) | 2.5–3.3 (3±0.5) | 3/3 | 60 | ++ |
|---|
| P -mastigophore B1 | 23.1–34 (30±2.6) | 3.4–5.5 (4±0.7) | 3/3 | 60 | ++ |
|---|
| Tentacle |
|---|
| Robust spirocyst | 46.2–63.8 (51.7±6.7) | 7.7–13.2(9.9±1.5) | 6/6 | 20 | +++ |
|---|
| Gracile spirocyst | 22–38.5(28 ±6.1) | 3.3–5.5(4.4±0.6) | 6/6 | 20 | +++ |
|---|
| Basitrich 1 | 39.6–52.8(46.2±3,3) | 3.3–5.6(4.95±2) | 6/6 | 20 | ++ |
|---|
| Basitrich 2 | 12.1–16.5(14.3±1.5) | 2.2–3.3(3,3±0.6) | 5/6 | 7 | - - |
|---|
| Actinopharynx |
|---|
| Basitrich 1 | 22–37.4 (33±1.4) | 3.3–5.5 (4.4±0.5) | 6/6 | 20 | ++ |
|---|
| Basitrich 2 | 16.5–20.9(19.8±2) | 2.2–3.3 (2,2±0,6) | 6/6 | 5 | - - |
|---|
| P -mastigophore B1 | 25.3–28.6 (27.5±1.2) | 4.4–5.5 (5.5±0.4) | 5/6 | 20 | +- |
|---|
| Mesenterial filament |
|---|
| Basitrich 1 | 33–52.8 (49.5±4.2) | 3.3–5.5 (4.4±0.5) | 5/6 | 20 | +++ |
|---|
| Basitrich 2 | 16.5–20.9 (19.8±2) | 3.3 (3.3 +- 1.4±15) | 5/6 | 20 | +- |
|---|
| P -mastigophore B1 | 25.3–29.7 (27.5±1) | 4.4–5.5 (5.5±0.5) | 6/6 | 20 | ++ |
|---|
| Acontia |
|---|
| Basitrich 1 | 43.5–52.2 (47,85±2,5) | 3.3–5.8 (5,5±0,8) | 3/6 | 20 | +++ |
|---|
| Basitrich 2 | 16.5–27.5 (17,6±2,9) | 2.2–4.4 (2,2±0,7) | 2/6 | 17 | ++ |
|---|